Answer:
Step-by-step explanation:
Molecular Mass of calcium acetate ( Ca(ch3coo)2 ) is 158
(Ca=40 , C=12 ,H=1, O=16)
1 mole of calcium acetate weigh 158 unit .
so, 0.4 mole of calcium acetate weigh:
0.4 times 158. = 63.2 unit
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