Question

calculate the molarity of a solution containing 12 grams of NaOH in 400ml solution.​

Answer 1

Answer:

molarity of solutions is 0.75

Step-by-step explanation:

molecular weight of naoh =40

number of moles of naoh = 12/40=0.3

now Vol= 400ml= 400/1000= 0.4

now

molarity= 0.3/0.4=0.75