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12.6 gm oxalic acid is present in 550 gm of the solution. Density of the solution is 1.10 gm/ml. What is the normality of the solution?
Spectrophotometric determination of an equilibrium constant.
How many minutes is required for sunlight to travel from the Sun to Earth. (Assume the Sun is 93,000,000 miles from Earth and that sunlight travels at 1.86 x 105 miles per second.) how do you work this to solve.
Calculate the pH at equivalence point when 40.0 ml of 0.50 M aniline is titrated with 30.0 ml of 0.67 M HBr. For aniline Kb=3.8x10exp
A sample may contain any or all of the following ions: Hg22+, Ba2+, and Mn2+. No precipitate formed when a solution of NaCl or Na2SO4 was added to the sample solution
1) Calculate the solubility of Au(OH)3 in water. (Ksp = 5.5e-46). 2) Calculate the solubility of Au(OH)3 in 1.1 M nitric acid solution.
If 10.7ml of 0.105 M NaOH ir required to reach the first equivalence point of a solution of citric acid (H3C6H5O7), how many milliliters of NaOH are required
Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data, calculate Δf for CaC2(s)
if fe2o3s 3co g--gt 2fe s 3 co2g1. the empirical formula of butene is ch2. based on a molar mass is 56.1 g.mol
A gas is confined to a cylinder under constant atmospheric pressure P. When the gas undergoes a particular chemical reaction, it releases 79 kJ of heat and does 18 kJ of PV work on its surroundings.
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution.
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the mo- lar mass of the solute?
The remaining white solid in the filter paper has ammonia water poured through it. This dissolves all of the precipitate in the filter paper. The new filtrate is treated with HCl, giving a white precipitate. What metal ion or ions are in the solut..
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