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Determine the pH during the titration of 14.7 mL of 0.218 M nitric acid by 0.138 M potassium hydroxide at the following points:
(1) Before the addition of any potassium hydroxide _______
(2) After the addition of 11.6 mL of potassium hydroxide _______
(3) At the equivalence point _________
(4) After adding 29.2 mL of potassium hydroxide __________
Draw the structure of a compound c5h8o that reacts with phenyl-hydrazine, decolorizes bromine in dichlorometh, and does not give a positive iodoform test
A reaction mixture initially contains 0.56 atm CO2 and 0.32 atm CO. Determine the equilibrium pressure of CO if Kp for the reaction at this temperature is 2.25.
a. Assuming that the original unknown mixture contained KCIO3 and KCI with combined mass of 2.1307g, calculate the mass of KCI in the unknown mixture. b. Calculate the percent of KCIO3 in the unknown mixture. c. Calculate the percent of KCI in the ..
the freezing point of a solution of 0.10g of an unknown compound in 5.640g of camphor kf37.7cm is 2.1 c lower than the
For each of the following acid-base reactions, calculate the mass (in grams) of each acid necessary to completely react with and neutralize 5.15 of the base.
Why is it important to the place the thermometer bulb at in the lower part of the Hickman still head? What will happen if you place it either a)too low
determine the empirical formula of a substance (Vanillin) that contains 63.15% carbon, 5.30% Hydrogen, and 31.55% oxygen.
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br
Calculate the pH of a solution formed by mixing 10.0 mL of 0.100 M HBr with 20.0 mL of 0.200 M HCl.
Compound A is a clear, colorless liquid with a molecular formula of C7H10. Upon treatment of A with H2 gas in the presence of Pd on Carbon, a single product B (C7H14) is obtained.
how many grams of calcium carbonate , CaCO3, do you need in an antacid tablet to neutralize 20 ml of stomach acid ?
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
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