Question
Question: If N<sub>A</sub> is Avogadro's number, then the number of molecules in 6 g of hydrogen at NTP is –...
If NA is Avogadro's number, then the number of molecules in 6 g of hydrogen at NTP is –
A
2 NA
B
3 NA
C
NA
D
NA /6
Answer
3 NA
Explanation
Solution
1 mole H2 ¾® 2g of H2
So 6g H2 contain ¾® 3 mole of H2
1 mole ¾® N-molecules
So 3 mole ¾® 3N-molecules