We provide 20 for you about equivalent weight of ferrous ammonium sulphate page 1. Substances react with each other in stoichiometric, or chemically equivalent, proportions, and a. That is, while element masses differ, when it comes to bonding with other atoms, the number of atoms, expressed in moles, is the determining factor in how much of a given element or compound will react with a given mass of another. Iron is a chemical element with the symbol fe and atomic number 26. Aug 28, 2015 for the love of physics walter lewin may 16, 2011 duration.
The equivalent weight of an element or radical is equal to its atomic weight atomic weight, mean weighted average of the masses of all the naturally occurring isotopes of a chemical element, as contrasted with atomic mass, which is the mass of any individual isotope. Looking for equivalent weight of ferrous ammonium sulphate. Using atomic weights given in table 21, calculate the molecular and equivalent weights of a alum b lime, c ferrous sulfate d fluorosilicic acid, and e soda. Units of concentration normality and equivalent weight. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight in atomic mass units of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all. Here you can find the latest products in different kinds of equivalent weight of ferrous ammonium sulphate. We provide 20 for you about equivalent weight of magnesium sulphate page 1. Equivalent weight, in chemistry, the quantity of a substance that exactly reacts with, or is equal to the combining value of, an arbitrarily fixed quantity of another. Use the equivalent weight to convert any mass concentration mgl to mgl as calcium carbonate mgl caco3. In acidic media it is formula weight 5, in neutral although this is more difficult to control it is. The equivalent weight of mohrssalt feso4 nh4so4 6h2o. Strength normality x equivalent weight 120 x 392 19. Equivalent weight, in chemistry, the quantity of a substance that exactly reacts with, or is equal to the combining value of, an arbitrarily fixed quantity of another substance in a particular reaction. Chapter 2 solutions water and wastewater technology 7th edition.
Equivalent weight of substances required in volumetric analysis on globalspec. Mohr salt titration with kmno4 cbse chemistry practicals. Equivalent weight of the substance is defined as the weight of the substance that contains or reacts with 1. Explanation of how to find the molar mass of feso4 7h2o. Calculate the gram equivalent weight, normality of a solution, milliequivalent per. Please help me q calculate the equivalent weight of the. Its equivalent weight is the molecular weight divided by the functionality. Feso4 would react with 2 moles of electrons, so the. This generalized definition is used for the calculation of equivalent weight. The unit of equivalent weight is the atomic mass unit. Different concentration used for the preparation of std curve are.
It depends on the reaction what the functionality is. The equivalent weight may be equal to the formula weight molecular weight. For the love of physics walter lewin may 16, 2011 duration. Equivalent weight of a substance oxidant or reductant is equal to molecular weight divided by number of electrons lost or gained by one molecule of the substance in a redox reaction. Chapter 2 solutions water and wastewater technology. Convert moll or molar concentrations to normal concentrations. Paper by super 30 aakash institute, powered by embibe analysis. The simplest method to calculate the equivalent weight is to divide molar mass of the substance by its. Every substance may be assigned an equivalent weight. I am given the electrical charges for each element so no neee to explain how to find each elements charge. Detailed ferrous sulfate dosage information for adults and children. These compounds exist most commonly as the heptahydrate x 7 but are known for several values of x. A few things to consider when finding the molar mass. Terms in this set 14 which is the correct molar mass for the compound feso4.
Consider that the sodium atom has a valence of, thus the compound with two sodium atoms has a total electrical charge of. How to calculate the mg fe ii equivalentg of dry weight. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. Titration and substances used chemical formula equivalent weight acidalkali titration sodium carbonate washing soda na 2co 3 m. Molecular mass molecular weight is the mass of one molecule of a substance and is expressed in the unified atomic mass units u. The equivalent weight of an element is the mass which combines with or displaces 1. Weigh an empty watch glass using a chemical balance. Ferrous sulfate feso4 7h2o is supposed to have a valence of 2. In other words, gram equivalent weight is the mass of the substance in grams which can either combine or displace with a quantity which is fixed with other substance. Looking for equivalent weight of magnesium sulphate. Substitute for molecular weight and 2 for electrical charge. Calculating the parenteral dose application period, it is possible to make the patient body weight and hemoglobin serves as an index of the degree of iron deficiency anemia, according to the. The name of a hydrate is calcium chloride dihydrate. Equivalent weight chemistry britannica encyclopedia britannica.
Equivalent weight also known as gram equivalent is the mass of one equivalent, that is the mass of a given substance which will combine with or displace a fixed quantity of another substance. Includes dosages for vitaminmineral supplementation, iron deficiency anemia and anemia associated with chronic renal failure. This discussion on what is the equivalent weight of crystalline oxalic acid is done on edurev study group by jee students. Twice the number of ferrous gluconate or ferrous fumarate tablets other forms of iron for ingestion are required to provide the amount of elemental iron in ferrous. What should be done to calculate equivalent weight of fes2 in. For preparing 250ml of n20 mohrs salt solution, mohr salt required 19. Normality is widely used in analytical chemistry because it simplifies many of the calculations involving solution concentration.
Ferrous sulphate is found in three forms in nature and there respective weight are as follows. Oxidationreduction reactions part 1 zagazig university clinical pharmacy programe analytical chemistry department pc 306 1. Iron makes up 5% of the earths crust and is second in abundance to aluminium among the metals and fourth in abundance among the elements. Calculate the equivalent weight of soda ash using the following relation. The hydrated form is used medically to treat iron deficiency, and also for industrial applications. Equivalent weight of oxidising and reducing agents. The equivalent weight depends on the reaction involved. How to calculate normality of a solution thoughtco. It may also be called the equivalent concentration.
Equivalent weight molar mass n factor now n factor for salt is total positive or total negative charge of the salt. Here you can find the latest products in different kinds of zinc sulphate equivalent weight. Ferrous sulfate feso47h2o is supposed to have a valence of 2. Aug 19, 2015 what is the equivalent weight of potassium sulphate. The valency of alum is supposed to be 6 according to my book. Equivalent weight article about equivalent weight by the. Which is the percent composition of bromine in the compound nabr. The normality of a solution is the gram equivalent weight of a solute per liter of solution. What part of the poem quietness where the persona is situated. The questions and answers of what is the equivalent weight of crystalline oxalic acid are solved by group of students and teacher of jee, which is also the largest student community of jee. Mar 20, 2020 detailed ferrous sulfate dosage information for adults and children. Weights of atoms and isotopes are from nist article. Here you can find the latest products in different kinds of equivalent weight of magnesium sulphate. Calculate the molar mass of feso4 in grams per mole or search for a chemical formula or substance.
Calculate the gram equivalent weight, normality of a solution, milliequivalent per liter problems and hydrate, with variations, equations. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight in atomic mass units of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. This medication is an iron supplement used to treat or prevent low blood levels of iron e. Definition old definition oxidation is the reaction of substance with oxygen reduction is the reaction in which hydrogen is involved ut there is many oxidation reduction reactions which dont involve any oxygen or hydrogen. The concept of equivalent weight allows you to explore the fact that atoms combine to form molecules in fixed number ratios, not mass ratios. Equivalent weights may be calculated from molar masses if the chemistry of the substance is well known. What should be done to calculate equivalent weight of fes2. For example, the concentration of a hydrochloric acid solution might be expressed as 0. Feb 06, 2016 convert moll or molar concentrations to normal concentrations. Gram equivalent weight is the weight in grams of the substance which either combines with or equal to 8 grams of oxygen or 1 gram of hydrogen. Physical chemistry 236837 equivalent weight of fe2s3.
The mass of a substance especially in grams that combines with or is chemically equivalentto eight grams of oxygen or one gram of hydrogen. Improve your score by 22% minimum while there is still time. Have you registered for the prejee main preaipmt 2016. How to calculate the mg fe ii equivalentg of dry weight in.
How to calculate the mg fe ii equivalentg of dry weight in case of frap assay. We provide 20 for you about zinc sulphate equivalent weight page 1. More information on molar mass and molecular weight. It is indicated using the symbol n, eql, or meql 0. Lesson objective after completing this lesson, you should be able to. A 1 normal 1 n solution contains 1 equivalent weight of solute per liter of solution. Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. How do i calculate find these valency numbers for use in calculating equivalent weight. W of oxidant or reductant no of electrons lost or gained. Please help me q calculate the equivalent weight of the following hydrated salts 1 cuso4 5h2o 2 feso4 7h2o please also explain how to calculate the nfactor for these salts chemistry. Equivalent weight is the mass of one equivalent, that is the mass of a given substance which will combine with or displace a fixed quantity of another substance. Get an answer for what is the equivalent mass of kmno4.