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A teacher instructed three students 'A'. 'B' and 'C' respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH).'A' dissolved 50 g of NaOH in 100 mL of water.'B' dissolved 50 g of NaOH in 100 g of water.'C' dissolved 50 g of NaOH in 50 g of water to prepare the solution.Which one of them has made the desired solution and why? |
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Answer» A teacher instructed three students 'A'. 'B' and 'C' respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). 'A' dissolved 50 g of NaOH in 100 mL of water. 'B' dissolved 50 g of NaOH in 100 g of water. 'C' dissolved 50 g of NaOH in 50 g of water to prepare the solution. Which one of them has made the desired solution and why? |
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