1)
use dilution formula
M1*V1 = M2*V2
1---> is for stock solution
2---> is for diluted solution
Given:
M1 = 2 M
M2 = 0.2 M
V2 = 0.50 L = 500 mL
use:
M1*V1 = M2*V2
V1 = (M2 * V2) / M1
V1 = (0.2*500)/2
V1 = 50 mL
Answer: 50 mL
Only 1 question at a time please
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