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Sagot :
Explanation:
The equation of the reaction is;
H2O2 + N2H4 → N2 + H2O
Upon balancing the reaction, we have;
N2H4 + 2H2O2 → N2 + 4H2O
a. How many moles of N2 are formed from 0.0250 moles of N2H4?
From the equation of the reaction;
1 mol of N2H4 produces 1 mol of N2
0.0250 mol of N2H4 would produce x mol of N2
1 = 1
0.0250 = x
x = 0.0250 * 1 / 1 = 0.0250 mol
b. How many moles of H2O2 are required if 1.35 moles of H2O is to be produced?
From the equation of the reaction;
2 mol of H2O2 produces 4 mol of H2O
x mol of H2O2 produces 1.35 mol of H2O
2 = 4
x = 1.35
x = 1.35 * 2 / 4 = 0.675 mol
c. How many moles of H2O are formed if 1.87 moles of N2 is produced?
The relationship between H2O produced and N2 is;
For every 1 mol of N2 produced, 4 mol of H2O is produced
1.87 mol of N2 produced, how many moles of H2O is produced?
1 = 4
1.87 = x
x = 1.87 * 4 / 1 = 7.48 mol
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