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
Air is throttled from 1500 psia, 800 F to 600 psia before enteringa gas turbine (isentropic) P1=1500 psia P2= 600 psia T1=1260 R Determine A) T2 B) change in entropy between states 1 and 2 C) Work of the turbine if P3=90 psia.
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
If 32mL of 7.0M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
Sodium borohydride reacts very slowly with ethanol to evolve a gas. Write a balanaced equation for this reaction.
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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