Answer:
[tex]0.075\:moles[/tex]
Explanation:
Since, 1 molecule of hydrogen gas, there're 2 atoms of hydrogen:
1 mole of [tex]H_2[/tex] has [tex]2\times 6.023 \times 10^{23}[/tex] atoms.
Switch sides and make it a equation.
1 atom of [tex]H_2[/tex] = [tex]\frac{1}{2\times 6.022\times10^{23}}[/tex] moles of [tex]H_2[/tex]
[tex]9.04\times 10^{22}[/tex] atoms of [tex]H_2[/tex] = [tex]\frac{9.04\times 10^{22}}{2\times 6.022\times 10^{23}}[/tex] moles of [tex]H_2[/tex]
