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How many parts of ammonium cation will be in aqueous solution if .45 parts of ammonium sulfate is dissolved in water?
1. what is the formula of a compound if a sample of the compoundcontains 0.537 mol x 0.358 mol y and 0.895 mol z?2.
Determine the volume of 0.235 M KOH solution required to neutralize 40 mL of 0.235 M H2SO4 sulfuric acid. The neutralization reaction is: H2SO4(aq) + 2KOH(aq) > K2SO4(aq) + 2H2O(l).
A solution is known to contain Bi3+ ion or Cd2+ ion or both. Describe the test(s) that could be used to separate and identify these ions. Describe the results you would expect to see for each ion, if that ion were present.
What was the rate of production of 24Na in a 30-m reactor irradiation of 23Na if the activity of 24Na was found to be 1.0 mCi 3 h after the end of irradiation
A chemistry lab experiment requires 25.2 g of silver nitrate. How many grams of a 15.5% by mass solution of silver nitrate should be used.
What is the order of stability of these three isomers based on their steric energies. and Why.
Explain the solubility of AgCl(s) in water at 25 C is 1.33*10^-5 mol/L and its H of solution is 65.7 kj/mol. Explain what is its solubility at 45.6 C
For the reaction shown below, Kp = 0.116 at 38.6 °C. Find the equilibrium partial pressures of ALL species if at the start of the reaction PCO = 1.17 atm and PCOBr2 = 1.4 atm
calculate the number of grams of acetic acid per 10ml of the vinegar. since vinegar has a density of about 1.00 gramml
Write the net ionic reaction from the following balanced reactions: 1. FeCl3 (aq) + K3PO4 (aq) = FePO4 (s) + 3 KCI (aq) 2. Ba(NO3)2 (aq) + Ag2SO4 (aq) = 2 AgNO3(aq) + BaSO4 (s)
Explain possible reason for discrepency between the actual pH of the buffer and the reported pKa of the weak acid. (My case: actual pH =9.23, reported pKa =9.25)
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 10.0 oz drink from 72 degrees celsius to 39 degrees celsius, if the heat capacity of the drink is 4.18 J/g C
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