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chalk contains 30% of carbon 10% of calcium and 10% of oxygen find the amount in grams of each of these substance in 1 kg of job |
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Answer» -step explanation:From the QUESTION,The AMOUNT of chalk =1 kg=1000 GWE have,Amount of carbon in it =3% of 1000 g=(3/100)×1000=(3×10)=30 GAMOUNT of calcium in it =10% of 1000 g=(10/100)×1000=(10×10)=100 gAmount of oxygen in it =12% of 1000 g=(12/100)×(1000)=(12×10)=120 |
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