November 25, 2015

Homework Help: chemistry

Posted by Adrian on Wednesday, February 8, 2012 at 11:20pm.

Use the balanced equation below to answer the following questions.

2Al(NO3)3 + 3Na2CO3 Al2(CO3)3(s) + 6NaNO3

- What is the ratio of moles of Al(NO3)3 to moles Na2CO3? (1 point)
- If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the limiting reagent? Show your work.
- Use the limiting reagent to determine how many grams of Al2(CO3)3 should precipitate out in the reaction.
- If only 341.63 g of Al2(CO3)3 precipitate were actually collected from the reaction, what would the percent yield be?

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