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Answer :
Final answer:
The mass that 0.876 moles of hydrogen peroxide (H2O2) represent is calculated by multiplying the number of moles by the molar mass of H2O2, resulting in 29.8 grams.
Explanation:
To determine the mass that 0.876 moles of hydrogen peroxide (H2O2) represent, we calculate it using the molar mass of hydrogen peroxide. The molar mass of H2O2 can be found by adding the molar masses of the individual atoms within the molecule: 2 moles of hydrogen (2 x 1.008 g/mol) and 2 moles of oxygen (2 x 15.999 g/mol). The sum of these molar masses gives us the molar mass of hydrogen peroxide, which is:
2(1.008 g/mol) + 2(15.999 g/mol) = 2.016 g/mol + 31.998 g/mol = 34.014 g/mol.
To find the mass, multiply the number of moles by the molar mass:
0.876 moles x 34.014 g/mol = 29.8 grams.
Therefore, the correct answer is c. 29.8 grams.
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