Answer:
<h2>7.46 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 500 g
volume = 67 mL
We have

We have the final answer as
<h3>7.46 g/mL</h3>
Hope this helps you
Components in a pure substance do not have to be in definite ratios.
B. Wrapping the wire around a piece of paper
Sodium chloride and prussic acid are formed
NaCN+HCl→NaCl+HCN