Question

chalk contain 10%calcium 3%carbon 12%oxygen. find the amount of carbon and calcium ( in grams) in 5/2kg of chalk.​

Answer 1

$\bf\large\underline\pink{Answer:-}$

1kg=1000gram

1. Calcium(10%)= (10/100)*1000

=100 gram

2.carbon (3%)= (3/100)*1000

=30 gram

3. oxygen (12%)=(12/100)*1000

= 120 gram

Answer 2

Answer:

1kg=1000gram

1. Calcium(10%)= (10/100)*1000

=100 gram

2.carbon (3%)= (3/100)*1000

=30 gram

3. oxygen (12%)=(12/100)*1000

= 120 gram....ans