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Explain what is the PH of a solution prepared by dissolving 5.4g of lithium hydroxide in water to give 250ml of solution.
A sealed container holding 0.0255 L of an ideal gas at 0.991 atm as well as 69 °C is placed into a refrigerator also cooled to 41 °C with no change in volume. Compute the final pressure of the gas.
Consider the titration of 46.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at the following points. A)After the addition of a large excess of acid
A current of 4.65 A is passed through a Ni(NO3)2 solution for 1.10 hours. How much nickel is plated out of the solution
When 0.0017 moles of a weak acid are dissolved in enough water to make 0.500 L, the pH of the resulting solution is 5.97. Calculate Ka.
if ammonia is obtained in 90% yield based on hydrogen, how many tons of hydrogen are necessary to produce 100 Mg of ammonia?
Lewis Structure for a Nitrate Ion (NO3-1). How many possible resonance structures are there for the nitrate ion
The Ka value for boric acid is 5.8* 10^{-10}. What is the pH of an aqueous eye wash solution that is 1.3% boric acid by mass? Assume the density of the solution is the same as that of water.
the most common source of copper rm cu is the mineral chalcopyrite rm cufes2. how many kilograms of chalcopyrite must
sulfur 2.56g is burned at a constant volume calorimeter with excesso2 gas. the temperature increases from 21.25c to
a 5.00-ml sample of an h3po4 solution of unknown concentration is titrated with a 0.1003 m naoh solution. a volume of
Sufficient of a monoprotic acid is dissolved in water to produce a 0.0138 M solution. The pH of the resulting solution is 6.50. Compute the pKa for the acid
an unknown mass of mgcl2 was dissolved in sufficient water to fill a 250.0 ml volumetric flask to the mark. a 10.00 ml
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