The mass of an atom of C is Options: A . &nbsp1 g B . &nbsp1.99×10−23g C . &nbsp112 D . &nbsp1.99×10−20g

Answer: Option B : B 6.022 × 10 23 C atoms = 12 g 1 C atom = 12 6.022 × 10 23 = 1.99 × 10 − 23 g

The mass of an atom of C is

Question

The mass of an atom of C is

Options:

A . 1 g

B . 1.99×10−23g

C . 112

D . 1.99×10−20g

Answer: Option B
:
B

6.022 \times 10^{23}

C atoms = 12 g
1 C atom =

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

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