Question

*
(c)
The ratio of number of molecules of 2g
H2 gas to number of molecules of 64g
gaseous oxygen is:
2:4
11201157
(a) 1:1
1
59
(c) 1:32
(d) 1:4
20 of H.​

Answer 1

No. of moles = mass given ÷ molar mass