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How to use stochiometric calculation explain …

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How to use stochiometric calculation explain briefly

    • Posted by Stuti Agrawal 6 years, 4 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Yogita Ingle 6 years, 4 months ago

    Stoichiometric Calculations are mostly based on chemical formulas.

    1. Formula Mass: It is defined as the sum of the atomic weights of the each atom present in the molecule of the substance. For example formula mass of Na2S is calculated as 2(23) + 1(32) = 78
    2. Avogadro number: Avogadro’s number is defined as the number of particles present in one mole of substance. It is defined as a number of atoms present in exactly 12g of C-12.Avogadro number is valued as 022× 1023 
    3. Molar Mass: It is defined as the sum of the total mass of all the atoms that make up a molecule per mole.

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