Question

Calculate the mass in grams of 1x10²⁰ atoms of Na.​

Answer 1

Answer:

200

Explanation:

1*10*20= 1*10=10

10*20=200Ans

Answer 2

Answer:

6.022*10^23 atoms of Na= 23 gms

1*10^20 atoms of Na= (1*10^20/6.022*10^23)*23= 0.00381 gms

Explanation:

Hope this helps!