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What size sample containing 12.0% chlorine (Cl) should be taken for analysis if the chemist wishes to obtain a precipitate of AgCl which weigh 0.500g? Ag^+ + Cl -------> AgCl(s)
How much water must be added to 534. mL of 0.180 M HCl to produce a 0.135 M solution? (Assume that the volumes are additive.)
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
A solution contained KIO3 and excess KI. 25 cm3 of this solution were acidified and the liberated I2 required 26.8 cm3 of 0.1 M Na2S2O3 for complete recaction.
Enough of a monoprotic acid is dissolved in water to produce a 0.0194 M solution. The pH of the resulting solution is 6.26. Calculate the Ka for the acid.
Assuming that the drug components whose spots you identified dissolved completely when you stirred the tablet with 1:1 ethanol/dichloromethane, what was the solid that remained behind?
AgCl has a 78.1% ionic character and a diplole moment of 11.5D. what is the distance between the Ag and Cl atoms?
starting with any alkane, alkene, or alkyne as your only organic reactant, propose a series of chemical reactions that will yield
How would benzephenone move on a TLC compared to an alcohol? and WHY do they move differently.
Suppose you have a sample of sodium weighing 11.62 g. How many atoms of sodium are present in the sample?
What is the maximum amount of P2O5 that can theoretically be made from 186 g P4 and excess oxygen?
What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT, Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning
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