Question

Describe how you would prepare 150ml of 0.02N NaOH in the laboratory.​

Answer 1

Step-by-step explanation:

molar mass of any subtance in 1 litre water gives 1N solution

for NaOH molar mass =40 g

40g --- 1000ml ---1N

Xg---- 150 ----0.02

X= 40*150*0.02/1000*1 =0.12 g