Question

chalk cantain carbon,calcium and sand in the ratio 4:6:10.find the percentage ​

Answer 1

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calcium : carbon : oxygen

10 : 3. : 12

x. : 3 mg. : y

carbon = 3 mg

1 = 1 mg

10 + 12 +3 = weight of chalk

10 mg + 12 mg + 3 mg

25 mg. is it answer

Answer 2

Answer:

carbon = 20

calcium= 24

calcium=40