Question

3.4 moles of calcuim to grams

Answer 1

136 grams

Explanations:

The formula for calculating the mass of a substance is expressed as;

`Mass=mole* molar\text{ mass}`

Given the following explanations:

`\begin{gathered} moles\text{ of Ca}=3.4moles \\ molar\text{ mass of Ca}=40g\text{/}mol \end{gathered}`

Substitute the given parameters into the formula

`\begin{gathered} Mass=3.4*40 \\ Mass\text{ of Ca}=136grams \end{gathered}`

Hence mass of the calcium is 136 grams