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The student prepared a KIO3 solution that was .0100 M IO3-. The student averaged 15.00mL of Na2S2O3 solution for the 3 titrations. The student weighed out .110 grams of sample for all 3 trials. The student averaged 6.40mL of Na2S2O3 for all 3 titrations.
Questions:
1. Calculate the average percentage vitamin C in the sample.
2. Calculate the number of milligrams of the unknown powder needed to make a 100mg vitamin C tablet.
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes
For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.
A 248 mL gas sample has a mass of 0.436 g at a pressure of 753 mm Hg and a temperature of 27 degrees celcius.what is the molar mass of the gas
a hydrated compound has an analysis of 18.29% Ca 32.37% CI and 49.34% water. what is the empirical formula?
the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with the carbonyl compound containing more carbon a..
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water.
Calculate the final temperature of 34mL of ethanol initially at 20celcuis upon absorption of 739 J of heat. (density of ethanol =0.789g/mL )
Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation:
Predict which of the compounds should undergo a more rapid reaction with potassium tert-butoxide. EXPLAIN your REASONING and give the product of the reaction?
Toxic cyanide ion, CN-, can be removed from wastewater by reacting it with hypochlorite, ClO-, in aqueous basic solution. The products formed are N2(g), bicarbonate, and chloride ion. What is the sum of the stoichiometric coefficients in the corre..
What is the condensed structural formula of nonane? b. Is it a solid, liquid, or gas at room temperature?
nitrogen reacts with hydrogen to form 1.058mg of the hydride. What is the empirical formula of the nitrogen hydride?
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