what is the mass of 7.00 mol of hydrogen peroxide (h₂o₂)?\n0.206 g\n0.389 g\n126 g\n238 g\ndone
what is the mass of 7.00 mol of hydrogen peroxide (h₂o₂)?\n0.206 g\n0.389 g\n126 g\n238 g\ndone
Answer
Explanation:
Step1: Calculate molar mass of $H_2O_2$
The molar mass of hydrogen ($H$) is approximately $1\ g/mol$ and oxygen ($O$) is approximately $16\ g/mol$. For $H_2O_2$, molar - mass $M=(2\times1 + 2\times16)\ g/mol=34\ g/mol$.
Step2: Calculate mass using mole - mass relationship
The formula is $m = n\times M$, where $n = 7.00\ mol$ and $M = 34\ g/mol$. So $m=7.00\ mol\times34\ g/mol = 238\ g$.
Answer:
238 g