Question

the teacher is structured 3 student (ABC) respectively prepare 50% (mass by volume) solution of sodium hydroxide (NaOH). 'A' dissolved 50 gram of (NaOH) in 100 ml of water 'B' dissolved 50 gram of (NaOH) in 10 gram of water. while 'C' dissolved 50 gram of water to make 100 ml of solution. which one of them has made desired solution and why?

Answer 1

Answer:

cdissolved 50 gram water to make 100 ml of solution