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HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.074 M in NaClO?
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
Use metric conversion factors to solve the following problem. A park has an area of 150000 m^2. What is the area in km^2?
How many grams of water can be cooled from 45c to 15c by the evaporation of 65g of water? (The heat of vaporization of water in this temperature range is 2.4kj/g. The specific heat of water is 4.18j/k*mol .)
Calculate the energy in joules and calories required to heat 40.0 silver (Ag) from 112 C to 270 C
4NH3 + 5O2 yields 4NO + 6H2O Given 1.50g of NH3 reacts with 2.75g of O2 which is the limiting reactant?
If 2 volumes of 0.1 M monobasic potassium phosphate, KH2PO4, are mixed with 1 volume of 0.1 M dibasic sodium phosphate, Na2HPO4, what will be the pH of the mixture?
A solution of 100 mL of 0.2 M NH3 is titrated with 50 mL of 0.5 M HNO3. What is the pH of the resulting solution? Kb for NH3 is 1.8 × 10-5.
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
What types of bombs were dropped on Hiroshima and Nagasaki, resulting in Japans surrender at the conclusion of WWII? What isotopes were used in the bombs? What were the long term effects of these bombs?
Diacetylferrocene, In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated.
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
What is the molar mass of the unknown acid? B) As the acid is titrated, the pH of the solution after the addition of 15.00mL of the base is 9.46. What is the Ka for the acid?
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