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Potassium sulfate is commonly used in fertilizers. An agricultural researcher in alaboratory measures and weighs a 150.0-g sample of potassium sulfate for herexperiment. The solid sample is dissolved in enough water to make an 800.0 mLsolution. How many potassium ions (in mol) are contained in the 150.0-g sample?
What is the solubility of calcium fluoride in a solution that contains 0.015 M calcium chloride? Note calcium chloride is completely soluble in water.
The CaC2O4.H2O precipitate is not completly air-dried when its mass is deteremined. Will the reported mass of the limiting reactant in the original salt mixture be reported too high or too low? Explain.
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
Liquid Nitrogen comes in large cylinders that require special tank carts and hold 120L of liquid at 77K. Given the density of liquid nitrogen of 0.840g/cm3, use the van der Waals equation to estimate the volume of nitrogen of the nitrogen gas afte..
What kinds of aromatics will not react with CHCl3/AlCl3?
how much energy in kilojoules is released when 33.0 rm g of ethanol vapor at 95.0circ rm c is cooled to -19.5circ rm c?
How long will it take for a signal to travel that distance assuming that the speed of light in the cable is the same as in a vacuum?
How many calories are needed to raise the temperature of 525g of beryllium from 21.0 celsius to 375 celsius?
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
Draw the structures of 4 amines with formula C3H9N. Draw the structures of all monoiodo derivatives of 3-methylpentane, C6H13I, which have the iodine on a tertiary carbon.
A certain ionic compound is found to contain 0.012 mol of sodium, 0.012 mol of sulfur and 0.018 of oxygen. Explain what is its empirical formula
Identify the best nucleophile for 2-bromo-2-methylpropane and 2-chloro-2-methylpropane in an Sn1 and a Sn2 reaction; acetone, isopropanol
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