Chemistry, 12.02.2020 05:51 lisa123465
A 250.0 mL sample of aqueous solution contains an unknown amount of dissolved NaBr. Excess aqueous Pb(NO3)2is then added to this solution and a precipitate forms.
A. If the mass of precipitate recovered was 3.006 grams, what was the molar concentration of Br–ions in the original solution?
B. What is the chemical formula of the precipitate?
C. Write the net ionic equation for this precipitation reaction.
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