Answer:
m = 43.87 grams
Explanation:
Given that,
Number of moles, n = 1.29 moles
The molar mass of H₂O₂ is, M = 34.0147 g/mol
We know that,
[tex]n=\dfrac{m}{M}[/tex]
Where
m is mass of H₂O₂
So,
[tex]m=n\times M\\\\m=1.29\times 34.0147 \\\\m=43.87\ g[/tex]
So, there are 43.87 grams of H₂O₂.
