Answer:
Molarity= 0.305M
Step-by-step explanation:
m=15g, Molar mass of CoBr2= 218.7
V=0.225dm3, C=?
Moles = m/M= C×V
Substitute and Simplify
m/M= C×V
15/218.7= C×0.225
C= 0.305M
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