When a solution of ammonium sulfide is mixed with a solution of nickel(III) chloride, nickel(III) sulfide precipitates out of solution as given by the following equation. 3 (NH4)2S (aq) + 2 NiCl3 (aq) → Ni2S3 (s) + 6 NH4Cl (aq) What mass of Ni2S3 forms when 25.4 mL of 0.239 M (NH4)2S reacts with 24.9 mL of a solution containing excess NiCl3? Report your answer in grams to 3 sig figs.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.