Question

a solution of labelled 40% the density of solution is 1.5g/ml what is the concentration of the solution in % (m/v)​

Answer 1

Answer:

Explanation:

Lets assume that the 40% is given as volume percentage.

40% H​2SO4 means that the 40 mL of H2SO4 is dissolved in water to make the solution 100 mL.

Thus, volume of H2SO4 = 40 mL

Since density = 1.3 g/mL

Then we can calculate the mass of H2SO4.

density = mass/volume

1.3 = mass/ 40

mass = 52 g

Now,

mass of H2SO4 = 52 g

and total volume of solution = 100

mass by volume percentage is the mass dissolved in 100 mL of the solution

Thus, m/v % = 52 %

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