science

the 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 50g of NaOH in 100g of water while C dissolved 50g of NaOH in water to make 100ml of solution . which one of them has made the desired solution and why ?

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  1. C gets the class grade.

  2. teacher instructed a b and c gave 50 ml of na chl

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  3. idk

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  4. C made the right solution bcos the whole solution is 100vol. so 50% of it is made up of NaOH and 50%of the remaining is distilled water.

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