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one more question KOH(aq) + H3PO4(aq) For the equation given above, enter the total ionic equation and net ionic equation. only get 3 shots and already used two of them. something is missing.
A solution of NaOH(aq) contains 8.0 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
A steel tank has a volume of 438 L and is filled with 0.885 kg of oxygen. calculate the pressure of oxygen at 69.8 fahrenheit.
calculate an approximate heat of reaction for the combustion of one mole of methane gas ch4 to form gaseous h2o and
What is the value of the reaction quotient (Qc ) for the reaction below if a 2.75-L flask contains 0.0282 mol NO2(g) and 0.612 mol N2O4(g) at 25°C
(a) The fact that the BCl3 molecule is planar means that the B atom is which of the following? unhybridized sp3 hybridized sp2 hybridized sp hybridized Hint
What effect on the boiling point of a liquid is produced by: a) The presence of a soluble non-volatile impurity?
NH3 and NH4+ are used to create a buffer solution. When a base is introduced into this buffer, which of NH3 and NH4+ reacts with the base to maintain the pH of the solution
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va = 0, 1,5,9, 9.9, 10. 10.1. and 12 mL.
How many grams of C2H4 are needed to react with 0.133 moles of H2O?
How many theoretical plates does the column have What is the plate height (in mm) of the column if the column is 11.7 cm long
In the Balmer-Rydberg equation, what value of is used to determine the wavelengths of the Balmer series?
the equilibrium constant, Kc, for this reaction is 4.6 x 10^-3. N2O4(g) 2NO2(g). if the equilibrium mixture contains .050 M NO2 what is[N2O4]
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