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What is the [H3O+] in a 0.63 M acetic (HC2H3O2) solution that is 5.8% ionized?
how many grams of aluminum sulfate or used to produce 2.02 moles of barium sulfate
What is the concentration in moles per liter of a solution that contains 7.68 g of H2SO4 in 150.0 mL of water?
0.1M of Acetic acid and 0.25 M sodium acetate. Ka of acetic acid = 1.76X10^-5
40L of gas at 200k is changed to half the volume of gas. What did the temperature change to?
Oxygen gas is at 22.4L and STP. What will be the volume of the oxygen of its temperature dropped by 5C
A 5L gas is under a pressure 2 kPa at a temperature of 15C. What will the temperature be if the volume changes to 15L
485.0-mg sample containing MnO 2 was titrated with 75.00-mL of 0.1175 M FeSO4 solution. The excess iron was back titrated with 7.850-mL 0.0879 M K2Cr2O7. What is the percentage of MnO2 in the sample? (MW MnO2 = 86.94 g/mol)
NH3 A B C CO2 when will the gases meet
In an experiment, 2.62 g of iron react completely with 1.50g of sulfur. What is the empirical formula for the compound produced?
