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Fin the mass of AlCl3 that is produced when 25.0 grams of Al2O3 react with HCl according to the following balanced equation: Al2O3 (s) + 6HCl (aq) ---> 2AlCl3 (aq) + 3H2O (/) a) 16.3 g / b) 155 g / c) 72.9 g / d) 65.4 g / e) 32.6 g
an aqueous cacl2 solution has a vapor pressure of 81.6 mmhg at 50 c. the vapor pressure of pure water at this
Draw the structure of the product that is formed when diphenylmethanone undergoes a reaction with PhMgBr
you suspect that you 12 year old male patient has an inborn error in methionine metabolism. it may be that cystathionine synthase is deficient. if tho sis true, he should have high serum concentrations of
Draw all stereoisomers of 3-heptene. Position the groups attached to the double bond (120° bond angles) to indicate the stereochemistry.
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
a 493 ml sample of solution contains 33.2 g of cacl2. calculate the molar concentration of cl in this
A 45g piece of ice at 0 degree C is added to a sample of water at 21 degree C. All of the ice melts and the temp of water decreases to 0 degree C. How many grams of water where in the sample?
How many milliliters of 20.0 M calcium chloride would you use to prepare exactly 800 ml of a solution that contains 5.00 moles/liter of chloride ions.
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator.
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.100 M HCl solution
What is the pH of the solution when the hydronium ion + concentration of 0.15 M CH3COOH is 6.3 × 10.
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