Shahzaib G.

asked • 09/21/22

Precipitation reactions

How many grams of barium sulfate form when 35.0mL of 0.160M barium chloride reacts with 58.0mL of 0.065M sodium sulfate?

1 Expert Answer

By:

Shahzaib G.

I dont understand why you only use 0.00377, can you explain that?
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09/22/22

Shahzaib G.

Video was helpful and you said my name correct :)
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09/22/22

Hussayn M.

tutor
So, 0.00377 is the number of moles of Na2SO4. This will react with the 0.0056 moles of BaCl2. 0.00377 is smaller than 0.0056, so Na2SO4 will run out first, and the reaction will stop. So we can only produce as much product as 0.00377 moles of Na2SO4 can get us. Because the ratio, in the balanced reaction, between Na2SO4 and BaSO4 is 1:1, we also produce 0.00377 moles of BaSO4.
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09/22/22

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