Question

Calculate the mass of one atom of calcium

Answer 1

Answer:

$mole = \frac{mass}{molecular \: mass} = \frac{no}{na} \\ \frac{mass}{40} = \frac{1}{6.02 \times {10}^{23} } \\ mass \: = 6.67 \times {10}^{ - 23} \: kg$

Explanation:

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