Answer to Question #55719 in General Chemistry for tracy guido
I added more sodium bicarbonate and it began to react and fizz again, does this prove that citric acid is in excess?
Part two I had to make a mixture that citric acid was the limiting reactant.
I did not have time to finish the lab -- What experiment would I devise to test my conclusion to that citric acid was limited. Would I add citric acid? what would happen?
2) If you added more sodium bicarbonate and got more gas, then there is still some acid. So, acid in excess.
3) You always have to add opposite reactant, not the same. Therefore, to test if there is still some acid, you need to add bicarbonate and check for fizzing. If you add more acid to the already excess of acid you`d get no reaction.
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