Ammonium nh4 is a weak acid with a pka of 926 the
Ammonium (NH4+) is a weak acid with a pKa of 9.26. The dissociation is: NH+4 <--> NH3 + H+. Calculate the mass of ammonium added to 1 L of water in order to obtain a pH of 4 at equilibrium.
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All sales revenues will be collected in cash and costs other then depreciation and amortization must be paid for during the years. Stanley's federal plus state tax rate is 40%. Stanley has no debt.
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A glass jar is heated in an oven and sealed when the air pressure is 103 kPa and the temperature is 105 C. Find the absolute, gage, and vacuum pressures in the jar when it cools to 20 C.
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