Asked by Monika
Chalk contains 3 percent carbon 10 percent calcium and oxygen find the amount in grams of each of these substances in 1 kg
Answers
Answered by
Damon
3 % C
10 % Ca
87 % O
Like no way
CaCO3
40 + 12 + 48 = 100 molar mass
40% Ca, 12% C , 48% O
so the real answer is
400 g , 120 g 480 g
BUT using your strange numbers:
in 100 grams:
.03 * 100 = 3 g
.1 * 100 = 10 g
.87 * 100 = 87 g
10 % Ca
87 % O
Like no way
CaCO3
40 + 12 + 48 = 100 molar mass
40% Ca, 12% C , 48% O
so the real answer is
400 g , 120 g 480 g
BUT using your strange numbers:
in 100 grams:
.03 * 100 = 3 g
.1 * 100 = 10 g
.87 * 100 = 87 g
Answered by
sarthak
ans is 120 grams carbon,400 grams calcium and 480 grams oxyzen
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