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Explain The need of the term average atomic mass
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Explain Molar mass.
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Explain Mole concept.
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Explain Formula mass with an example.
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Explain : Molar volume of gas.
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State the law of multiple proportions
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State and explain the law of conservation of mass
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What is meant by molar volume of a gas ?
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What is the SI unit of amount of a substance ?
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