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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?

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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