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When 2.42g of a nonelectrolyte solute is dissolved in 855 mL of water at 21 degree C, the resulting solution exerts an osmotic pressure of 829 torr.
What is the molar concentration (M) of the solution?
How many moles of solute are in the solution?
What is the molar mass (g/mol) of the solute?
Copper metal is dipped into a 0.01M silver nitrate solution. Calculate the concentration of silver ions in the final equilibrium solution.
How many grams of amonnia are needed to react with 50.0 grams of potassium tetrachloroplatinate then calculate how many grams of cisplatin are formed from 50.0gm of potassium tetrachloroplatinate, if percent yield for the reaction is 75%.
A student has been asked to titrate an HCl solution with a concentration of 0.35 M against an unknown concentration of NaOH solution. He found that he used 24.35 ml of HCl in order to neutralize 36.44ml of NaOH.
Reductive amination can be used to form primary, secondary, and tertiary amines. Secondary amines are more basic than primary amines due to extra electron donation by the alkyl groups.
The equilibrium expression for the reaction: 2C(s) + 2H2O(I) ? CH4(g) + CO2(g) is Keq = [CH4][CO2]. If an equilibrium reaction shifts to the right when the system is cooled, this indicates that the reaction is endothermic
Before the reaction began, the concentrations of the reactants were 0.060 M of SO2 and 0.050 M O2. After the equilibrium is reached, the concentration
when 7.50g of magnesium reacts with 9.50g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
Identify each of the following molecules as polar or nonpolar: a) H2S; b) PBr3; c) SiCl4; d) SO2.
A fixed quantity of gas at 23 celcius exhibits a pressure of 735 torr and a volume of 5.22 L. use boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is constant
A 50.00-mL sample of aqueous Ca(OH)2 requires 34.66 ml of a 0.966 M nitric acid for neutralization. Calculte the concentration (molarity) of the original solution of calcium hydroxide
what mass of magnesium in reaction with an excess of hydrochloric acid is needed to produce 128 ml of hydrogen h2 gas?
What is the final pressure in the bottle for a monatomic gas, for which CV,m = 3/2R, and a diatomic gas, for which CV,m = 5/2R?
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