Question

How many grams of calcium cyanide (ca(cn)2) are contained in 0.69 mol of calcium cyanide?

Answer 1

Explanation:

As number of moles is equal to mass divided by molar mass. As molar mass of calcium cyanide is 92.11 g/mol.

So, calculate the mass of calcium cyanide as follows.

   No. moles of calcium cyanide = $\frac{mass}{\text{molar mass}}$

                          0.69 mol = $\frac{mass}{92.11 g/mol}$                                  

                               mass = 63.55 g

Thus, we can conclude that mass of calcium cyanide is 63.55 g.

Answer 2

63.55783199999777 grams