99.6k views
4 votes
How many grams of KOH are required to prepare 500. mL of 0.450 KOH solution?

User Cleftheris
by
4.6k points

1 Answer

4 votes

Answer:

KOH molar mass = 39 + 16 + 1 = 56g

To make 1 L of 1M soln needs 56g KOH

To make 500mL 1M needs 56/2 = 28g

To make 500mL 0.2M needs 28 x 0.2gn:

User Ulab
by
4.3k points