The mass of molecules of is: β Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
The mass of $1.2 \times 10^{24}$ molecules of $H_2O$ is:
Answer: A
π‘ Solution & Explanation
$\text{Moles} = 1.2 \times 10^{24} / 6.02 \times 10^{23} \approx 2 \text{ mol}$. <br>$\text{Mass} = 2 \times 18 = 36 \text{ g}$.
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