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What is the molarity of a permanganate solution if it takes 10.0 mL of 0.200M iron(II) solution to completely react with 15.7 mL of the permanganate solution? The mole ratio of iron(II): permanganate is 5:1
A 195mg sample of a non-electrolyte isolated from throat lozenges was dissolved in enough water to make 10.0mL of solution at 25 degrees Celsius. The osmotic pressure of the resulting solution was 4.83atm. Calculate the molar mass of the compound.
calculate the change in ph when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl. And calculate the change in PH
Which formula represents the greatest number of isomers?
A volume of 725 mL of a gas is collected at 105 degrees C and 746 torr. The gas sample weighs 1.92 grams. what is the gas.
Would the following procedural errors causes an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
if 7.o moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end.
describe the mechanism for the reaction of bromine to Ethene and state the type
Using a Sample of 0.3991 grams of an unknown monoprotic acid, HA, which combines with Sodium hydroxide according to the balanced equation HA + NaOH ® NaA + H2O when 35.30 mL of 0.1086 M Sodium hydroxide is required to titrate the acid to the equiv..
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations. Student performed a sodium borohydride reduction experiment.
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
a running track measures 1056 ft per lap. to run 15.0 km how many laps should you run? How do you break the equation down into a solution map?
How many grams of aluminum chromate are produced from 66.4 grams of aluminum hydroxide?
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