Calculate Q to determine whether or not a precipitate will form in a solution containing 0.043…

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Calculate Q to determine whether or not a precipitate will form in a solution containing 0.043…

Calculate Q to determine whether or not a precipitate will form in a solution containing 0.043 M Ca(NO3)2 and 0.0055 M NaF. Step 1: identify the possible precipitate. In this example, it is CaF2. Look up its Ksp value (table 16.2). Step 2: Write a balanced equation for dissolution of CaF2: Step 3: Write the equation for Ksp for CaF2: Step 4: Write an expression for Q: Step 5: Plug in the concentrations above to calculate Q: Step 6: Compare the value of Q to the value of Ksp. What will happen?

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