Concentration of cacl2 in mass percent
An aqueous solution of CaCl2 has a vapor pressure of 83.0mmHg at 50 C . The vapor pressure of pure water at this temperature is 92.6mmHg . What is the concentration of CaCl2 in mass percent?
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The compound As2I4 is synthesized by reaction of arsenic metal with arsenic triiodide. If a solid cubic block of arsenic (d 5.72 g/cm3) that is 3.00 cm on edge is allowed to react with 1.01 1024 molecules of arsenic triiodide, what mass of As2I4
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A 25.00 mL sample of the 1.00 L solution was reacted with excess AgNO3 and 0.3800 g of an AgCl precipitate formed. What was the mass % of D2O in the original sample of enriched water?
The percentage yield of Nh3 from the following reaction is 85%? What actual yield is expected from the reaction of 1.00kg N2 with 225g H2? N2+3H2=2NH3
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The faint pink murexide indicator end point which only titrates the calcium ions. Calculate the mass percentage of the original sample that was CaC2O4.
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