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Using activities, find [Ag+] in 0.060 M KSCN saturated with AgSCN(s).Compare it to the case where you do not use activities. For AgSCN, Ksp = 1.1×10-12
How many moles of N2O3 are needed so that you have 2.55 x 1024 oxygen atoms.
what is the weight of O in 742.0 g of citronella oil that has the chemical formula C10H18O
What volume of 0.200M HCl must be added to 250.0mL of 0.300M sodium mandelate to produce a buffer solution with a pH of 3.37. The answer is 194 mL of HCl; however, I'm not sure of how to solve for it.
you have a bag of n 710 special imported coffee beans that you are putting in cups to distribute to your friends. the
A 0.2436-g sample of an unknown substance was dissolved in 20.0 mL of cyclohexane. The density of cyclohexane is 0.779g/mL. The freezing-point depression was 2.5ºC. Calculate the molar mass of the unknown substance. (Kf cyclohexane = 20.0ºC/m)
what is the vsepr formula for the nitrogen atom as the central atom in
Is a 0.15M solution of potassium benzoate C6H5COO-K+ acidic, basic, or neutral? Calculate the pH. The Kb for benzoic acid is 1.5 X 10^-10.
Determine at what temperature must a balloon be heated to have six Litres volume consider that the balloon was at the temperature of 25 degree Celsius and volume of two litres initially?
Benzyl alcohol, although a primary alcohol, reacts very rapidly in the presence of HCl forming benzyl chloride. Why. The phenyl ring increases the acidity of the -OH group.
What concentration of Benzoyl peroxide (k_d = 1.45 * 10^(-6) L/mol-s, 60 deg C) would be needed to polymerize a 1.00 M solution of styrene to a molecular weight of 2500
A Student dispenses 24.95 mL of a hydrochloric acid solution with an unknown concentration into an Erlenmeyer flask. The student then titrates the HCl solution with 0.168 M sodium hydroxide. If 24.33 mL of NaOH is required to reach the equivalence..
calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400.0g of H2O
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