Chemistry

6 April, 12:54

1.

A 1.020 g sample of sodium fluoride is dissolved in water and then precipitated with calcium

nitrate solution. If the calcium fluoride precipitate weighs 0.905 g, what is the percent

yield?

2 NaF (39) + Ca (NO3) 2 (aq) - --> CaF2 (s) + 2 NaNO3 (aq)

+2

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