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Predict whether the equilibrium favors the reactants or the products for each of the following reactions: a)H3PO4(aq)+H2O(l)<>H3O^+(aq)+H2PO4^-(aq). b)CO3^2-(aq)+H2O(l)<>OH^-(aq)+HCO3^-(aq) c)HS^-(aq)+H2O(l)<>H3O^+(aq)+S^2-(aq) d)HCN(aq)+CH3-NH2(aq)<>CN^-(aq)+CH3-NH3^=(aq)
What is the concentration of HCl in a 10,000 gallon tank if 1 gallon of 40% HCl is added? The formula weight of HCl is 36.45 g/mol.
a 1.000 g sample of a certain mixture is 75% (by mass) potassium sulfate and 25% of an unknown sulfate with formula MSO4. the unknown is dissolved and precipitated with barium ions. If 1.489g of precipitate is collected, what is the identity of M
Doubling the concentrations of H2S while keeping the concentration of Cl2 constant results in the initital rate increasing by a factor of two.
A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.
Compute the pH of a solution made by mixing 67 grams of sodium acetate, NaCH 3 COO, to 37 g of acetic acid, CH 3 COOH, and dissolving in H 2 O to form 300. mL of solution ?
According to the valence bond theory, which of the following molecules involves sp2 hybridization of orbitals on the central atom?
what is the concentration of ammonia in a buffer containing 0.10M ammonium chloride at a pH 10.6?
How many grams of Ammonium phosphate need to be combined to 500 and
You have 250.0 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. Determine the concentration of the sugar solution after the water has been added
Determine the mole fraction of each component to at least three significant figures.
A 35.0 mL sample of 0.150 M acetic acid (CH3COOH) is titrated with 0.150 M NaOH solution. Calculate the pH after the following volumes of base have been added.
Calculate the pH after the following additions of the KOH solution (a) 10.0 mL (b) 11.5 mL (c) 15.0 mL (the Ka for CH3COOH = 1.8 x 10^-5)
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