Determine the pH of a 0.100 M solution of (NH4)2C2O4.

What is the pH of a 0.20 M solution of CH3NH3NO3 at 25 °C? At this temperature, the Kp for CH3NH2 is 4.4 x 104 and the Ka for HNO3 is 2.4.

Write a balanced equation for the acid–base reaction thatleads to the production of each of the following salts.Name the acid, base, and salt.(a)  Na2SO3                   (c) PbSO4(b)  Ca(C6H5COO)2    (d) CuCl2

Please Balance the following equation:   CH3COOH (aq) + NaHCO3 (s) = CO2 (g) + H2O(l) + NaCH3COO (aq)

(a) What is the pH of a 0.32 M solution of a weak acid, HCNO if Ka for HCNO is 2.0 x 10-4?  (SHOW CALCULATIONS) (b) How would the pH change if 0.10 M KCNO is added to the solution and show how you determined this change.

Would you expect an aqueous solution of manganese (VII) oxide to have a ph greater or less than 7.0? Justify your answer

Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. (a) Assuming an excess of the other reagents, from one mole of aluminum Al (s), how many moles of alum will be produced?  (b) Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced? (c) Assuming an excess of the other reagents, from one mole of sulfuric acid H2SO4 , how many moles of alum will be produced? (d) If you start the synthesis with 1.00 g of Al, 40.0 mL of 1.50 M KOH, and 20.0 mL of 9.00 M H2SO4 , which of the three will be the limiting reagent? (e) Assuming that the product is anhydrous (that there are no waters of hydration), calculate the theoretical yield of alum, in grams, based on the amounts of reagents in part (d). 3. Consider the nickel salt: (NH4 )2Ni(SO4 )2 ·y H2O (Ammonium Nickel Sulfate Hydrate), where y is the number of coordinated waters. (a) Assuming that the product is anhydrous (y = 0),…

Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced?

Complete and balance the following equation:(acid - base) H2SO4 + KOH

When carbon dioxide dissolves in water it reacts to produce carbonic acid, H2CO3(aq), which can ionize in two steps. H2CO3(aq)HCO3(aq)+H+(aq)Kc1=4.2107HCO3(aq)CO32(aq)+H+(aq)Kc2=4.81011 Calculate the equilibrium constant for the reaction H2CO3(aq)CO32(aq)+2H+(aq)