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Not a Wrench
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Homework Statement
Excess BaCO3 is placed in a container containing 5L of pure water. Given the following info:
BaCO3 (s) ↔ Ba2+ + CO3 2- and Kc = 5.7E-6
how many moles of BaCO3 dissolve?
Homework Equations
Kc=(Ba2+ )(CO3 2- ) = 5.7E-6
The Attempt at a Solution
solved for x to get .002387 moles/5L which is incorrect. Dividing by 5L gives me .000477 moles. The correct answer is .012 and I am unsure what I have done wrong. It seemed simple enough. Could someone tell me what to do?
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