a solution of H2SO4 acid is labelled is 95% what is the mass of this that must be diluted with water to get 5 litre of solution containing 10 grams of H2SO4 per litre.
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1 litre of the diluted solution must contain 10g of H₂SO₄
∴ 5L of the diluted solution must contain 50g of H₂SO₄
the concentration of the acid = 95%
⇒ 95g of H₂SO₄ is present in 100g of the acidic solution
⇒ 50g of H2SO4 will be present = 50 * 100 / 95
=52.64g
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