Question

sodium which country same number of atoms as present in 15 gram of calcium​

Answer 1

Answer:

Here is your answer dude.

Explanation:

Mca=15g

moles, n= 15/40= 3/8

no. of atom of Ca= 3/8 * 6.67* 10^23

Now,

no. of Na atom= 3/8*6.67 * 10^23

moles of Na = 3/8

mass of Na= 3/8*23 -8.6

Answer 2

Explanation:

Hope it's helpful to you