The percentage of Ca in Caco, is
a). 12%
b). 100%
c).48%
d) 40%
Answers
Answered by
0
12% == 12/100 = 8/4
100% 100 = 100
48% 100 = 9/4
40% = 100 = 4/10
100% 100 = 100
48% 100 = 9/4
40% = 100 = 4/10
Anwar472:
What is your answer
Answered by
2
Answer:
In this question it's Caco3 (calcium carbonate) not Caco.
Here is your answer.....
The percentage of Ca in Caco3 is 40%
Explanation:
Mass of calcium =40g
Mass of carbon = 12g
Mass of oxygen = 16g
Mass of one mole of pure calcium carbonate (CaCO3)
= Mass of calcium + Mass of carbon + Mass of oxygen
= (40 x 1)g + (12 x 1)g + (16 x 3)g
= (40 + 12 + 48)g
= 100 g
%of Ca in CaCo3= 40×100 =40%
100
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