What is the mass in grams of precipitate formed when 250.0 mL of
0.100 M ZnCl2 is mixed with excess
KOH in the following chemical
reaction?
ZnCI2 (aq) + 2 KOH (aq) → Zn(OH)2 (s)
+ 2 KCl (aq)

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

What is the rate law for the uncatalyzed reaction?