Question

The number of gram molecules of chlorine in $6.02\times 10^{25}$ hydrogen chloride molecules is -

• A. 5
• B. 50
• C. 100
• D. 10

Answer 1

Answer: (C)

1 Mole of $HCl=1+35.5=36.5=6.023\times 10^{23}$
Number of gram molecules $=6.02\times 10^{25}/6.02\times 10^{23}=100$