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Calculate the concentration of HY3- in a solution prepared by mixing 10.00mL of .010M VOSO4, 9.9mL of .010M EDTA and 10.00mL of buffer with a ph of 4.00? (work is needed to understand)
What is the pH of a 0.15 M solution of aqueous Acetic Acid. The Ka of acetic acid is equal to 1.7 x 10^-5
In the qualitative cation analysis procedure, Bi3+ is detected by the appearance of a white precipitate of bismuthyl hydroxide, BiOOH(s): BiOOH(s) --->
Cobalt-60 is commonly used as a source of B-particles. How long does it take for 87.5% of a sample of cobalt-60 to decay, given that the half-life is 5.36 years?
The boiling point of methanol (CH 3 OH) is 64.7 o C and delta H vap = 71.8 kJ/mol. What is delta S for the vaporization of 2.15 mol of CH 3 OH at 64.7 o C?
How many grams of KO2 are needed to react completely with 7.328 g of CO2.
Which of the following is true about any R enantiomer. A. it has a + rotation b. it has a - rotation c. it is a mirror image of the S enantiomer is it A only B only A and C or B and C
How many grams of CaH2 are needed to generate 19.0 L of H2 gas if the pressure of H2 is 780. torr at 15 C?
The combustion of 2.150 mmol of X caused the temperature of a bomb calorimter to rise from 23.650 oC to 26.350 oC. Assume T = 25.000 oC, Hcomb = -2480 kJ/mol, and ng = -4 mol gas/mol X for the combustion and determine the heat capacity of the calo..
When 1 mole of n-propylbromide is mixed with 1 mole of ammonia in a convenient solvent, only 50% conversion is achieved (ie, only 0.5 mol of ethylamine is formed) unless also 1 mol of a base,
Important information about Thermochemistry, Glauber's salt, sodium sulfate decahydrate (Na2SO4 * 10H2O) undergoes a phase transition (that is melting or freezing) at a convenient temp of 32 degrees C
A chemist wants to prepare 0.65 M HCl. Commercial hydrochloric acid is 12.4 M. How many milliliters of the commercial acid does the chemist require to make up 1.48 L of the dilute acid?
What would you expect to happen if you combined 10.0mL of 10^-2 M acetic acid and 5.0mL of 10^-2 M sodium hydroxide? What would be the concentrations of acetic acid and sodium acetate in this solution
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