Problem: What is the value of Q when the solution contains 2.00×10−3 M Ca2+ and 3.00×10−2M SO42−?

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We’re being asked to determine the Q when 2.00 x 10-3 M Ca2+ and  3.00 x 10-2 M SO2- are mixed.



The reaction quotient expression is:

Q=productsreactants=[Ca2+][SO42-]


Solving for Q:

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Problem Details

What is the value of Q when the solution contains 2.00×10−3 M Ca2+ and 3.00×10−2M SO42?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Selective Precipitation concept. If you need more Selective Precipitation practice, you can also practice Selective Precipitation practice problems.