Question

A chalk contains 10% calcium,3% carbon and 12% oxygen.Find the amount ( in grams) of each of these compounds in 1 KG of chalk?

Answer 1

Chalk contains 10%calcium,3%carbon and 12%oxygen.find the amount(in grams)of each of these compounds in 1 kg of chalk.

Answer provided by our tutors
mass of calcium = 1kg (0.1) = 0.1kg or 100g

mass of carbon = 1kg(0.03) = 0.03kg or 30g

mass of oxygen = 1kg(0.12) = 0.12kg or 120g


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Answer 2

0.1000gms calcium
o.o3000gms carbon
120gms oxygen