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Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants: Ka1= .059 and Ka2= .000064. Calculate the equilibrium concentration of H3O+ in a 0.20 M solution of oxalic acid.
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide.
describe the observations you would make and write a net ionic equation for any reaction that would occur.
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
Pressure is gradually decreased from 87.7mL to 42.6mL. What is the final pressure of ammonia if there is no change in pressure?
What mass of sodium chloride, NaCl, is needed to make 389. g of a 3.89%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)
Name the two types of nucleic acids and where each is found in the cell. Also include the four bases particular to each nucleic acid.
consider 1.5 kg of austenite containing 1.15 wt c cooled to below 727 degrees celcius 1341 degrees farenheit.a what is
A suitable storage place must be geologically stable long enough for the activity of plutonium-239 to decrease to 0.1% of its original value.
freezing point of nbsppure 2-methyl-2propanol is 25.5 degree celsius however it absorbs h2o when it on exposed to humid
Detremine the concentration of chromate solution - Potassium chromate has an absorbance value
Consider the following reaction at equilibrium. What effect will adding more H2S have on the system? 2H2S + 3O2 ---> 2H2O +2SO2
explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
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