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Oxalic acid is a relatively strong diprotic acid with Ka1 = 5.6 ´ 10-2 and Ka2 = 5.1 ´ 10-5.
What is the C2O42- concentration in a solution that is 0.10 M in oxalic acid and 1.0 M in HCl? (Consider that the oxalic acid concentration at equilibrium for this common ion problem is 0.10 M.)
What is the volume of nitrogen produced if the temperature of the car is 23.5 Celsius and atmospheric pressure is 748.2 mm Hg?
175g pure H2O was placed in a constant-pressure calorimeter and chilled to 10C 9.8g pure H2SO4 (also 10C) was added, stirred and the temperature rose to 19.8C.
Which satisfy the octet rule and which do not? PS3, SO2, SO3, NO3-1, CO3-2, PCl5
A 100.0 g sample of a metal M is burned in air to produce 103.7 g of its oxide with the formula M2O. What is the atomic mass of the metal?
Calculate the following values for a 0.0150 M solution of NaH2A. and Calculate the following values for a 0.0150 M solution of Na2HA.
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 21 A?
How many grams of KO2 are needed to react completely with 7.328 g of CO2.
The value of ΔE for a certain change is 1325 J. During the change, the system releases 873 J of heat.How much work, expressed in joules, was involved?
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution
What mass of CCl4 will be formed if 1.20 moles of methane react with 1.55 moles of chlorine?
A 100.-L flask contains a mixture of methane (CH4) and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650.
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