What is the mass of $5.306 \times 10^{12}$ $5.306xx10^12$ individual molecules of $P C l_{3}$ $PCl_3$ ?

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What is the mass of $5.306 \times 10^{12}$ $5.306xx10^12$ individual molecules of $P C l_{3}$ $PCl_3$ ?

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Answer 1 · 2017-06-27T15:55:53

Well for $5.306 \times 10^{12}$ $5.306xx10^12$ $molecules$ $"molecules"$ of $P C l_{3}$ $PCl_3$ , we gots a $nanogram$ $"nanogram"$ mass.

Explanation:

$Mass = Molar quantity \times molar mass =$ $"Mass"="Molar quantity"xx"molar mass"=$

$\frac{5.306 \times 10^{12} \cdot molecules \times 137.33 \cdot g \cdot m o l^{- 1}}{6.022 \times 10^{23} \cdot molecules \cdot m o l^{- 1}}$ $(5.306xx10^12*"molecules"xx137.33*g*mol^-1)/(6.022xx10^23*"molecules"*mol^-1)$

$= 1 \cdot ng$ $=1*"ng"$

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What is the mass of $5.306 \times 10^{12}$ $5.306xx10^12$ individual molecules of $P C l_{3}$ $PCl_3$ ?

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What is the mass of $5.306 \times 10^{12}$ $5.306xx10^12$ individual molecules of $P C l_{3}$ $PCl_3$ ?