You have 7.86 x 10^23 molecules of NaCl. This would be equal to ___ grams of NaCl.

Chemistry

1 answer:

sergij07 [2.7K]3 years ago

3 0

$7.86 \times 10 {}^{23} atoms \\ \frac{7.86}{6.022} \times \frac{10 {}^{23} }{ {10}^{23} } = 1.305\: moles$

1.305 × (23+35.5) = 76.34 grams

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