Question

Curious Carl and his lab partner need 100 ml of a 0.10 M CuSO4 solution for lab. Unfortunately, all they have is 1 liter of a 0.50 M CuSO4 stock solution. Cheryl, his lab partner knows what to do. She begins diluting the stock solution with distilled water.

How much 0.50 M stock solution is required to make 100 ml of a 0.10 M solution?
A) 5.0 ml
B) 10.0 ml
C) 20.0 ml
D) 50.0 ml

Answer 1

@Comerpickles

Answer 2

It should be C

Answer 3

It had better not be playing tricks on me XD

Answer 4

lolol "Curious Carl" says thank you

Answer 5

XD