1.

What will be the mass of one .^(12)C atoms in g?

Answer»

SOLUTION :`"1 mol of ".^(12)C" ATOMS "=6.022xx10^(23)" atoms = 12 g"`
THUS, `6.022xx10^(23)` atoms of `.^(12)C` have mass = 12 g
`therefore"1 atoms of ".^(12)C" will have mass"=(12)/(6.022xx10^(23))g=1.9927xx10^(-23)g`


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