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What is the molar concentration of a solution prepared by dissolving 0.100 moles of potassium nitrate in enough water to prepare 400 mL of the solution?
In an actual experiment, 100 g each of copper and nitric acid are used and 70g of copper(II) nitrate is obtained. In this experiment, what is a) the limiting reactant
the simplest formula of a substance is found to be ch2o and its approximate molar mass is found by experiment to be
If a 0.100 molar solution of NaOH is added to a solution containing 0.200 molar Ni2+, 0.200 molar Ce3+, and 0.200 molar Cu2+, which metal hydroxide will precipitate first?
The decomposition of nitrogen dioxide is a second-order reaction. At 550 K, a 0.250 M sample decomposes at the rate of 1.17 mol/Lxmin a). Write the rate expression?
three gases nitrogen helium and krypton are confined in a 4.00 l vessel at a pressure of 14.0 atm. the vessel contains
Chloroform has Hvap=29.2 kj/mol and Svap=87.5j(K*mol). what is the boiling point of chloroform in Kelvins
Having trouble with a couple of study guide questions for Chemistry. Hoping someone can assist: PART 1: Calculate the pH of a buffer solution that is 0.250 M in HCN
According to the postulates of the kinetic theory of gases, the average speed of the molecules of a given gas is proportional to the. square root of the absolute temperature.
How many grams of can be produced from 3.15 of. Express your answer numerically in grams.
dissolved in enough water to produce 162.5 mL of solution and that 18.8 mL of this solution is titrated to the stoichiometric point with 14.6 mL of 0.0307 M HCl(aq). What is the percentage purity of the original sample?
How many liters of water vapor can be produced when 15L C3H8 are reacted with 15L O2? all gases are at the same temperature and pressure.
25.0 mL of a hydrofluoric acid solution of unknown concentration is titrated with 0.200 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 3.00. What was the concentration of the original hydrofluoric acid ..
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