If 11g of oxalic acid are dissolved in 500 mL of solution (density= 1.1 g $m L^{- 1}$ ), what is the mass % of oxalic acid in solution?

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Solution

The correct option is D 2%
Mass of Oxalic acid (solute) = 11g
Mass of Solution = 500ml
Density = 1.1 g/ml
We know that
Mass % of solute = $\frac{M a s s o f s o l u t e \times 100}{M a s s o f s o l u t i o n} \times 50$
Mass of solution = $Volume of solution \times Density of solution$
Mass of solution = $500 \times 1.1 = 50 \times 11 g$
Mass % of the solute = $\frac{11 \times 100}{11 \times 50} = 2$
the answer is B

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If 11g of oxalic acid are dissolved in 500 mL of solution (density= 1.1 g mL−1), what is the mass % of oxalic acid in solution?

If 11g of oxalic acid are dissolved in 500 mL of solution (density= 1.1 g $m L^{- 1}$ ), what is the mass % of oxalic acid in solution?