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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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AndreaR1983 AndreaR1983
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7 years ago Edited: 7 years ago, AndreaR1983
Hello. I need some help. I found the solution to a problem I'm working on here on this site, and I was hoping for a possible explanation. I've looked through my book and notes, nothing. Here's the problem:

What is the molarity of the aqueous sill we nitrate if 50.0 mL of AgNO3 reacts with 25.0 mL of 0.100 M K2CrO4?

2AgNO3(aq) + K2CrO4(aq) ---> Ag2CrO4(s) + KNO3(aq)

A) 0.0250 M
B) 0.0500 M
C) 0.100 M
D) 0.200 M
E) 0.400 M

The solution on here is C) 0.100 M. I keep getting half of that, answer B) 0.0500. I can't figure out why. I'm doing this on several problems in a row. Please help Slight Smile
Post Merge: 7 years ago

In true awesome form I figured it out after posting  Undecided. I swear I worked it a bunch of ways and nothing. Then all of a sudden BAM. It worked. Thanks anyways Slight Smile
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bio_manbio_man
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