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Buffer solution Problem to determine pH
1.A buffer solution is prepared which consists of 0.100M HC2H3O2 and 0.100M NaC2H3O2, the dissociation constant, Ka of HC2H3O2 is 1.74 x 10^-5
Determine the pH after the addition of 10.0ml of 0.1M NaOH to 100.00ml of this buffer.
An aqueous solution of 100.0ml 0.100M NaCl is titrated with 0.100M AgNO3 (AgCl Ksp= 1.0x10^-10) pAg=-log[Ag+]
A. Calculate the pAg of the solution after 20.0ml of AgNO2 solution is added.
B. Calculate the pAg of the solution after 110.0ml of AgNO3 solution is added.
Determine what is the final volume the gas occupies If the pressure of a gas inside the cylinder changes from 840.0 mmHg to 360.0 mmHg,?
A 100 mm diameter silicon wafer is oxidized completely. What is the thickness of the resulting SiO2 wafer? The molecular weight of Si is 28 g/mol and of SiO2 is 60 g/mol.
A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5.
What are the protons and neutrons that are emitted from a helium atom called? Atomic mass is expressed in atm.
At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.
How many moles of O2 are needed to burn 1.05 mol of C8H18
500cm3 of 0.250M of Na2SO4 is added to an aqueous solution of 15.0g of BaCl2 resulting in a white precipitate of insoluble BaSO4.
Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
The temperature of a 35.2 g sample of iron increases from 23.7 C to 29.5 C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed.
In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask.
Calculate molarity?if one mole of sodium hydroxide was dissolved estimate the number of calories that would be produced. (ΔHsolnNaOH)
A canister is filled with 320 g of ice and 100 gm of liquid water, both at 0 C . The canister is placed in an oven until all the H_2O has boiled off and the canister is empty.
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