All Questions
3
questions
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Calculate the molarity of Na+ ions in 20 mL of a .130 M solution of Na2Cr2O7?
The answer is $\pu{0.260 M}$, but I keep getting $\pu{0.0052 M}$ because I thought the right way to do it was by multiplying $\pu{0.130 M}$ by $\pu{0.02 L}$, then multiplying by $2$ moles of $\ce{Na+}$...
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5
votes
1
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What happens to potassium if potassium permanganate is reduced in a redox reaction? How can I identify spectator ions?
I'm trying to get a fool-proof way of finding the products of a redox reaction. I can do both the oxidation and reduction the half reactions. For example in the potassium permanganate with hydrogen ...
1
vote
1
answer
757
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Balancing ionic equations and determining number of ions
There were two questions that I've listed below that I've had troubles on. I got an answer in both, but both of them were incorrect.
For the first question, they list the answer to be D and then for ...
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