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What would you expect to happen if you combined 10.0 ml of 10^-2 M acetic acid and 5.0 ml of 10^-2 M sodium hydroxide? what would be the concentrations of acetic acid and sodium acetate in this solution? would you expect this solution to be a buffer? Explain your prediction.
50.00 mL of 0.10 M HNO2 (nitrous acid, Ka = 4.5 ´ 10-4) is titrated with a 0.10 M KOH solution. After 25.00 mL of the KOH solution is added, the pH in the titration flask will be
What is the purpose of a transducer and give a common example of one of these devices
a gas cylinder contains 40.0 L of gas at 45.0C and has a pressure of 650. torr. What will the pressure be if the temperature is changed to 100C?
After performinc a TLC on an unknown material, using dichloromethane as a developing solvent, you visualize one spot having an Rf of 0.05. In order to obtain information that is more useful would you use hexane or ethyl
A 100.0-mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. What is the pH of the solution after 100.00 mL of acid have been added to the ammonia solution?Kb = 1.8 × 10-5.
the pH of a 0.20 M solution of a weak monoprotic acid is 3.70. What is the value of the ionization constant
Calculate the pH of 0.099 M phosphoric acid (H3PO4, a triprotic acid). Ka1 = 7.5 x 10-3, Ka2 = 6.2 x 10-8, and Ka3 = 4.8 x 10-13
Calculate the pH of a solution that is 1.00 M HNO2 and 1.00 M NANO2
Consider the situation in which 1.60 mL of an aqueous CuSO4 solution of unknown concentration is diluted to a volume of 10.00mL.
How many grams of NaN3 are required to produce 20.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?
calcium phosphide reacts with water to produce calcium hydroxide and phosphine. a if you start with 15.0 g of calcium
When synthesizing benzoic acid, a student used 0.2 mol Bromo Benzene, 0.3 mol Mg and 0.25 mol CO2. Write out the general equations, check limiting reagent and indicate the maximum yield of benzoic acid in moles.
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