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Question 19The teacher instructed three students 'A'. 'B' and 'C' respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). A' dissolved 50g of NaOH in 100 mL of water. 'B' dissolved 50g of NaOH in 100g of water while C dissolved 50g of NaOH in water to make 100 mL of solution. Which one of them has made the desired solution and why? |
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Answer» Question 19 The teacher instructed three students 'A'. 'B' and 'C' respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). A' dissolved 50g of NaOH in 100 mL of water. 'B' dissolved 50g of NaOH in 100g of water while C dissolved 50g of NaOH in water to make 100 mL of solution. Which one of them has made the desired solution and why? |
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