Question

The density of $85\%$ Phosphoric acid is $1.70gc{m}^{-3}$. What is the volume of a solution that contains $17gm$ Phosphoric acid?

Answer 1

Density = 1.7${g/cm}^3$
Mass of solute = 17gm
Let volume required be X ml
Density = $\frac{mass}{volume}$
Mass of solution = volume x density
Mass of solution = $1.7\times X$
Concentration = $\frac{massofsolute}{massofsolution}\times 100$

$85=\frac{17}{1.7\times X}\times 100$

$x=11.76ML$
Conclusion: The volume of the solution that contains 17gm Phosphoric acid is =11.76ml