# Chemistry

One other question that I cannot figure out what I'm doing wrong is this..

If .002 L of .650 M NaOH are added to 1.0 L of 0.9 M CaCl2 what is the Q value?

I keep getting 0.0011 because I thought the answer was [Cu+][OH-] but that's not correct

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1. The Q value of what? And I don't see any Cu^+2 in the problem.

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posted by DrBob222
2. Sorry I meant Ca+ not Cu (typo)

and Q value as is quotient reaction value. Q = K at equilibrium, it measures if a precipitate will form

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