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An aqueous solution of a complex ion of gold is electrolyzed for 54.4 minutes with a current of 30.0 mA to deposit 200mg of gold. What is the charge of gold in the complex ion?
Question- For the diprotic weak acid H2A, KA1 = 2.1 X 10 ^-6 and KA2 = 8.3 X 10 ^-9. What is the pH of a 0.0600 M solution of H2A. What are the equilibrium concentrations of H2A and A ^-2 in this solution
MnO2 is oxidized to MnO4 and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in acidic solution. Phases are optional.
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
Urea (NH2CONH2) an important nitrogen fertilizer is produced industrially by the reaction 2NH3(g)+CO2(g)--->NH2CONH2(aq) + H2O(l) given that ?G^degree = -13.6KJ, calculate
Consider the free radical bromination of butane. Using Fischer projections depict all the products of dibromination that contain chiral carbons. Be sure to include stereoisomers.
a saturated solution of nickelii sulfide contains approximately 3.6 multiplied by 10-4 g of dissolved nis per liter at
How many grams of magnesium chloride could be formed from the reaction of 6.82 g of magnesium with excess HCl?
the solubility of barium carbonatebaco3 is .0100 gl . its molar mass is 197.6. what is the ksp of barium
the vinegar that are generally sold in the grocery stores it is described as 5 vv ch3cooh acetic acid.determine the
Neglecting any effects caused by volume changes, would you expect the ionic strength to increase, decrease, or stay the same by the addition of NaOH to a dilute solution of
Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). Using the original buffer solution,
Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.
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