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Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a ...

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Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a ...

Calculate the minimum concentration of Cr³⁺ that must be added to 0.095 M NaF in order to initiate a precipitate of chromium(III) fluoride. [ K_sp(CrF₃) = 6.6 × 10^–11]

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0.023 M

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0.032 M

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7.7 × 10^–8M

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2.9 × 10^–9M

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6.9 × 10^–10M

Textbook

Chemistry: Atoms First

Edition: 4^th

Author: Burdge

Read 29 times

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this is exactly what I needed

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