Question

How many moles are 360.0 grams of Ni?

Answer 1

6.134 moles

Step-by-step explanation:

Ni atomic mass is 58.6934 g/ mol so I divide 360 to this to get around 6.134

Answer 2

There are 6.13 moles of Ni in 360.0 grams.

1st) We need to know the atomic mass of Ni. We can find it in the Periodic Table of Elements.

Ni atomic mass: 58.69 g/mol

2nd) With a mathematical Rule of Three we can calculate the number of moles in 360.0 grams of Ni:

`\begin{gathered} 360.0\text{ g - 1 mol} \\ 58.69\text{ g - x= }\frac{58.69\text{ g}\cdot\text{1 mol}}{360.0\text{ g}} \\ \\ x=6.13\text{ moles} \end{gathered}`

So, there are 6.13 moles in 360.0 grams of Ni.