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What is the molarity of a solution of calciumhydroxide, Ca(OH)2, if 187 mL isneutralized with 47.79 mL of a 0.397 M HCl?
describe and explain the possible effect on your results of the following experimental errors or variations. a) you added only enough 3 M H2SO4 to bring the pH down to 4. b)your reaction mixture had an oily layer on top when you added the 3 M sulf..
Calculate the pH when 59.0 mL of 0.229 M hydrochloric acid is mixed with 59.0 mL of 0.229 M sodium hydroxide solution at 25 °C. Calculate the pH when 59.0 mL of 0.229 M of a certain monoprotic weak acid
Calculate the boiling point of a 2.97m aqueous solution of ethylene glycol, a nonvolatile nonelectrolyte.
How much heat is required to raise the temperature of 5.5 x 10^2 g of aluminum by 10°C?
When the compound spontaneously decomposes, the piston moves up, the temperature of the water reaches a maximum of 29.52 C, and then it gradually decreases as the water loses heat to the surrounding air.
The normal boiling point of benzene is 80.1 c, and the heart of vaporization is H = 30.8KJ/mol. What is the boling point of benzene (in c) on top pf Mt. Everest, where P = 260 mmHg
Sulfuric acid is a very strong inorganic used in commercial and non-commercial laboratories. What is the molarity of a 70.00 wt % solution of sulfuric acid in water? The density of the solution is 1.6503 g/mL.
Consider a solution formed by mixing 30.0 mL of 0.100 M H2SO4, 24.5 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH. Calculate the pH of this solution.
If 2.50 g CuSO4 are dissolved in 8.0 x 102 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium
A 28.0-g sample of nitrogen gas combines completely with 6.0 of hydrogen gas to form ammonia. What is the mass of ammonia formed.
A mixture of gases contains 7.5g hydrogen and 29.6 nitrogen with a total pressure of 127 torr. Calculate the solubility of nitrogen gas
a water tower supplies water through the plumbing in a house. a 2.54-cm-diameter faucet in the house can fill a
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