Chalk contains 10% calcium, 3% carbon and 12% oxygen. Find the amount (in grams) of each of these compounds in 1 kg of chalk.
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Answered by
0
Answer:
Total weight of chalk=1kg=1000 g
Quantity of Calcium=1000×
100
10
=100 g
Quantity of Carbon=1000×
100
3
=30 g
Quantity of Oxygen=1000×
100
12
=120 g
Answered by
2
Answer:
100 gram of calcium
30 gram of carbon
120 gram of oxygen
Step-by-step explanation:
convert kg into grams,1kg = 1000 grams
take 1000 grams as 100%
so, 1% = 10 grams
10% of calcium = 100 grams
3% of carbon = 30 grams
12% of oxygen = 120 grams
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