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what is gram formula weight. 1 gram molecule of H 2 SO 4 980 g 1 mole of Sulphuric acid. The molecular weight may be calculated from the molecular formula of the substance.
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It is defined to be 112 of the mass of one atom of carbon-12 and in older works is also abbreviated as amu. The gram formula weight also called the molecular weight or the relative molecular mass is just the sum of the weights of the atoms. It is the sum of atomic masses of all atoms in a formula regardless of whether or not the compound is molecular.
This gives the amount of the atomsmoleculescompounds present in one mole of the substance.
AP Chemistry Consider the following reaction. Weight of one mole of an element ionic compound or molecular compound is the Gram formula mass. To calculate the Gram Equivalent Weight we use the formula Eq MW n. Therefore the molecular mass is the weight of 6023 x 10 23 molecules.
