Register
How many grams of KOH are required to prepare 500. mL of 0.450 KOH solution?
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
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.1m questions

6.7m answers

Other Questions

What's the formula for the combined gas law?
Which option describes nonmetals?
The ions Ca2+ and PO43- form salt with the formula
Carnot Cycle. If a boiler's heat source produces 106 Btu/hr at 600F, what is the highest possible rate at which work may be produced? The ambient air is 70F.
HELP, I NEED TO CHECK MY ANSWERS!! what is the mass for a... paperclip, red book, block, pencil, calculator, green blob, penny, quarter, dime, and a nickel?
Link Copied!