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The ionization constant, Ka, for HOI(aq), hypoiodous acid, is 2.3 × 10-11. What is the pH of a 0.050 molar solution of sodium hypoiodite, which contains the hypoiodite ion?
Calculate the molar mass of sucrose. How many mol sucrose did you start with in this lab?
Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.
The work function of an element is the energy required to remove an electron from the surface of the solid element. The work function for lithium is 279.7 kJ/mol.
Describe how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order of increasing solubility in water.
Aluminum has a specific heat of 0.880 J/g-deg. How many joules are needed to heat 155g of Al from 20.0oC to 75.0oC
A 51.0-mL volume of AgNO3 solution contains 0.0273 mol AgNO3 (silver nitrate). What is the molarity of the solution.
How many grams of methanol must be added to 7.50kg of water to lower its freezing point to -15.0^circ C? For each mole of solute, the freezing point of 1 {rm kg} of water is lowered 1.86 ^circ {rm C}
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
Determine what is the coordination of the cations in the case of a normal spinel and what point defects are possible in the spinel structure?
How many moles of a monoprotic acid with a Ka=4.9x10^-6 must be dissolved in 750 ml of H2O to produce a solution with pH=4.50
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