Calculate the molarity of ascorbic acid in the solution
A solution containing 82.0 g of ascorbic acid dissolved in 230 g of water has a density of 1.22 g/mL. Calculate the molarity of ascorbic acid in the solution.
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How much of the other reagent is left over after the reaction is complete?
Determine which half-cell will undergo oxidation and which will undergo reduction, identify anode and cathode, and calculate the voltage for the cell.
A saturated solution of Pb(IO3)2 in pure water has a lead ion concentration of 5.0 x 10-5 Molar. What is the Ksp value of Pb(IO3)2?
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
How much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
What is the empirical formula of a sample of iron-containing compound that is 22% iron, 50.2 oxygen and 27.8 chlorine by mass?
Calculate the amount of heat needed to boil of ethanol (), beginning from a temperature of . Round your answer to significant digits. Also, be sure your answer contains a unit symbol.
In general, most substances melt at a higher temperature as pressure is increased (except water). Justify this behavior from your knowledge of the variation of chemical potential with pressure and complement your answer with an appropriate sketch.
Calculate the moles of H2 present in this gas sample. . 9. 1.0 gram of water at 25 C is heated to 100 C, at which point it boils at an atmospheric pressure of 1 atm and is vaporized.
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 x 10^3. If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2?
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