Question

What is the mass of 5.0 moles of Ba(CN)2

Answer 1

Answer on Question #50210 - Chemistry - Other

Question

What is the mass of 5.0 moles of $\mathrm{Ba(CN)_2}$?

Answer:

Mass of the substance equals:

$$m = n M$$

Molar mass of $\mathrm{Ba(CN)_2}$ is $189\ \mathrm{g/mol}$. Therefore:

$$m(Ba(CN)_2) = n(Ba(CN)_2) \cdot M(Ba(CN)_2) = 5.0 \cdot 189 = 945\ g$$

Answer: $945\ \mathrm{g}$

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