Question

I want full explanation please.
(in grams)​

Answer 1

Answer:

Calcium- 1/4 gms or 0.25gms

Carbon- 3/40 gms or 0.075 gms

Step-by-step explanation:

2.

Total mass of chalk= 5/2 gms

Calcium = 10%

Amount of calcium = 10/100 * 5/2 = 1/4 gms or 0.25gms

Carbon= 3%

Amount of carbon = 3/100 * 5/2 = 3/40 gms or 0.075gms