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Consider the following reaction of aluminum hydroxide and hydrogen chloride to form aluminum chloride and water. if 73 g of hydrogen chloride reacts with excess aluminum hydroxide to end up with 27g of aluminum chloride, what is the percent yield of the reaction? a. 30% b. 67% c. 50%
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State whether or not each of the following equilibrium reactions could have the equilibrium expression.
A copper tube is 1 inch in diameter and 2 feet long, it is filled with steel balls of 1 inch diameter. The space between the balls is filled with water. the specific gravity of the steel b all is 7.8. What is the bulk denisty of the contents of th..
A 5.0 mL sample of vinegar was titrated with 7.2 mL of 0.55 M NaOH (aq). If the density of the vinegar solution is 1.00g/mL, what is the mass percent of acetic acid
Problem- Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2Mg(s)+O2(g)?2MgO(s)
Calculate the pH of an aqueous solution prepared to contain 1.3 x 10^-3 M sodium nitrite (NaNO2) if the acid dissociation equilibrium constant, Ka, for nitrous acid (HNO2) is 5.1 x 10^-4.
three gases 8.00 of methane 18.0 of ethane and an unknown amount of propane were added to the same 10.0- container.
a sample of gas weighs 4.134g and has a volume of 910.0ml at 895.0 torr and 39.0 c. what is the molar mass?
Use the tabulated data below to calculate x, s, and % RSD using your hand held calculator. Show all of your calculations for full credit.
Chromic acid is a diprotic acid H2CrO4 with Ka1 = 0.18 and Ka2 = 3.2 x 10-7. A solution of potassium chromate is prepared at pH 5.43. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
many metallic catalysts especially precious metal catalysts are deposited as thin films on materials with a very high
What is the molar concentration of chloride ions for each of the following solutions. Assume all these ionic salts are strong electrolytes
Propose a mechanism involving a hydride shift or an alkyl shift for this solvolysis reaction. All compounds involved in each stage of the mechanism must be enclosed in a box, and each box must be connected to the next one with a straight arrow.
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