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A compound having an approximate molar mass of 120-15 g has the following percent composition by mass: carbon, 38.44%; hydrogen, 4.839%; chlorine, 56.73%. Determine the empirical and molecular formulas of the compound.
A student carried out the standardizatoin of a potassium permanganate solution using the procedure described in this experiment.
a swimming pool 20.0m 12.5 is filled with water to a depth of 3.81m. if the initial temperature of water is 17.5c how
When 2.56g of a compound containing only carbon, hydrogen, and oxygen is burned completely, 3.84g of CO2 and 1.05g of h20 are produced. What is the empirical formula of the compound
The H3O+ concentration of a 0.10M solution of acetic acid decreases when which of the following substances are added?
What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below
Write the reactions of cinnamic acid with sodium bicarbonate and sodium hydroxide. What is the gas that is evolved when cinnamic acid reacts with sodium bicarbonate
The equilibrium constant for CaCO3 dissolution in water at 25 celsius is 8.7 x 10^-9. Calculate the (G) Gibbs free energy for this process.
What volume of nitrogen gas is produced from the liquid nitrogen spill if the temperature of the room is 25 degrees C at 1.00 atm?
Alpha-linolenic acid is one of a large group of fatty acids that are found in fish oil, walnuts and canola seeds. These nutrients are essential for good health. All of these fatty acids consist of an unsaturated hydrocarbon that is terminated by a..
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
what mass of CH3CO2H is required to prepare 100.00ml of a 0.48M acetic acid solution?
For the concentration of hydroxyl radical of 7.5E06 molecules/cm3 and a carbon monoxide concentration of 18 ppm, calculate the rate of its reaction with atmospheric carbon monoxide at 11 degrees C.
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