Question

please give me the answer​

Answer 1

option d

2&4

1 mole of H2O = 18g

so 20 mole = 360g

I mole = 6.022*10²³ molecules = 18 g

so,

6.022*10²³ * 20 = 12.044*10²⁴= 1.2044*10^25