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The equivalent weight of Ca in CaCO3 is
a)100
b)40
c)20
d)60
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if you didn't answer correct , then I will report it, please don't say this
The equivalent weight of Ca in CaCO3 is
a)100
b)40
c)20
d)60
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Well your question is a bit unclear . Calcium makes up 40% of Calcium Carbonate . It's atomic mass is around 40 u . Therefore , I suggest Option b is correct .
1Ca atom molar mass= 40
1C atom molar mass = 12
1Oxygen atom molar mass = 16
Total = 40+12+16×3 =100
%Ca= 10040×100
=40%
The equivalent weight of Ca in CaCO3 is 40
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