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Q 1. If one mole of carbon atoms weighs 12 grams, what is the mass (in grams) of 1 atom of carbon?

Answers (1)

P Pankaj Sanodiya

As we know,

$1\: mole=6.022\times10^{23}\:atoms$

Now,

the mass of 1 mole or $6.022\times10^{23}\:atoms$ = 12 g

The mass of 1 atom :

$=\frac{12}{6.022\times10^{23}}=1.99\times 10^{-23}\:g$

Hence the mass of 1 atom of Carbon is $1.99\times 10^{-23}\:g$ .

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