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1. Explain what is the pH of a 10uM micro molar aqueous solution of HIO, a weak acid with a Ka of 2.3 x 10-11?
2. If you titrate 5mL of a 1.5M NaOH solution into 25mL of2.0M HCL, what is the pH?
3. Explain what is the pH of 0.10M sulfuric acid? Ka1 = strong, Ka2 =1.2x10^-2 ?
Explain how to calculate the pH or how to do solve problems
a 155 g sample of an unknown substance was heated from 25.0degc to 40.0degc. in the process the substance absorbed 5696
Large quantity of ammonia are burned in the presence of platinum catalyst to give nitric oxide as d first step in the preparation of nitric acid.
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. If the flask volume is 1.50 L, and the air is at standard temperature and pressure, how many gaseous molecules does the f..
What is the pH of concentrated sodium hydroxide? NaOH FW=40.0 g/mol
if 1g of pyrrole and 1g of benzaldehyde are reacted with acid catalyst to form tetraphenylporphyrin what is the
If a reaction of 1, 2-dibromoethane and methoxysodium that wasdissolved in methanol produces 1, 2-dimethoxyethane. Explain what the reaction equation along with the mechanism is
when alpha-d-xylofuranose is treated with excess methyl iodide in the presence of ag2o how many equivalents of methyl
what color will the solution appear? If 0.100 M NaOH is slowly added to the HCl sample, in what pH range will the indicator change color?
what is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of
Calculate the solubility product constant for Pb(IO3)2 (4.3 x 10^-5 M), given that the molar concentration of saturated solution is as indicated in parenthesis.
mass of magnesium = .021 grams initial volume = 50.00 mL final volume = 25.6 volume of liquid displaced = 24.4 volume of hydrogen gas produced = 24.4?
The data obtained are 20.36, 19.98, 20.26, 20.18, 19.72, 19.86% Cl. (a) what is the standard deviation of this data. (b) find the 90% and 99% confidence intervals for the percentage of chloride in the sample. Must show work for credit
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