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One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing rhodium(III) sulfate according to the following balanced chemical equation:
Rh2(SO4)3(aq) + 6NaOH(aq) ® 2Rh(OH)3(s) + 3Na2SO4(aq)
If the reaction of 0.650 g of rhodium(III) sulfate with excess sodium hydroxide produces 0.320 g of rhodium(III) hydroxide, what is the percent yield?
A student measures the volue of acetone delivered by a 5 mLvolumetric pipette several times and obtains volumes of 4.98, 4.95, 4.86, 4.91 and 4.90 mL. The average volume delivered by the pipette is 4.92 mL. What is the deviation of the first measu..
In the titrating vinegar expirment briefly explain if the following errors would result in high or low expermental determination of the molar concentration of ch3cooh
Consider the addition of 22.59 mL of 0.1643 M aqueous HCl to 19.01 mL of 0.1558 M aqueous NaOH at 25°C. Assuming the volumes are additive, what is pOH of the resulting solution?
In the acid-catalyzed dehydration of alcohols, an alkene and water are the reactions products. What method of separation has been used in order to collect samples
a 1.628 gram sample of a hydrate of magnesium iodide is heated until all of the water is removed. its mass is now 1.072 grams. what is the formula of the hydrate?
Describe an electrochemical cell for which the following are the cell reactions. (A cell description includes the physical description of the anode and anode compartment with dissolved species,
Calculate the heat of formation, Hof, of pentane given that the Hof of H_2O(l) is -285.3 kJ mol-1 and Hof of CO_2(g) is -393.5 kJ mol-1
Rearrange the variables in the combined gas law to give an expression for the following: a) T2; b) P2.
methyl trifluoroacetate is more reactive than methyl acetate, in nucleophilic acyl substitution reactions. Explain.
If 57.0 of solution is needed to precipitate all the sulfate ion in a 756 sample of , what is the molarity of the solution?
Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and in the production of aluminum metal. It is prepared by the reaction CaF2 + H2SO4 ---> CaSO2 + 2HF In one process,
A gas occupies 12.3 liters at a pressure of 40.0 mmHg. What is the volume when the pressure in increased to 60.0 mmHg
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