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Which of these equations is balanced? a. 3 H2SO4 + 2Al → Al2(SO4)3 + 3H2 b. 2KCl + Pb(NO3)2 → KNO3 + PbCl2 a b a and b neither
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Which of these equations is balanced? a. 3 H2SO4 + 2Al → Al2(SO4)3 + 3H2 b. 2KCl + Pb(NO3)2 → KNO3 + PbCl2 a b a and b neither

User Hershel
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2 Answers

2 votes
Only equation A is balanced.
To balance equation B, simply add another molecule of KNO3, so the final equation would be:
2KCl + Pb(NO3)2 ---> 2KNO3 + PbCl2
User Zjhui
by
7.3k points
4 votes

The answer is B I just took the test and A is definitely wrong.

User Taveced
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8.2k points
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