Question

calculate gram atom present in 100 gram of calcium

Answer 1

Explanation:

mole = mass/molecules mass

ca = 40

given mass = 100

mole = 100/40×6.22×10²³particles

number of ca atom = 1

= 5/2×6.22×10²³×1

= 5/2×6.22×10²³atom

i hope it's helpful....list in brain list...