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Phosphoric acid can be made by reaction of sulfuric acid with "phosphate rock" according to the equation
Ca3(PO4)2 + 3 H2SO4 -> 3 CaSO4 + 2 H3PO4
Presume the reaction is carried out starting with 103 g ofCa3(PO4)2 as well as 75.0 g of H2SO4. Which substance is the limiting reactant?
Which one of these, E1, addition of H-X to alkenes, SN2, SN1, or acid catalyzed hydration of alkenes, does not have a reactive intermediate carbocation and why
an ethanol-water mixture is to be flash distilled at 1 atm. if the feed is 25 mole % ethanol, what are the liquid and vapor compositions if
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
Excessive quantities of wash water are added to the CaC2O4. H2O precipitate. Will the mass of the CaC2O4. H2O be reported too high, too low, or remain unaffected? Explain
1. a fixed amount of gas at 20 degrees celsius occupies a volume of12.0l under pressure of 650 torr. calculate its
dinitrogen monoxide gas and 3.41g of carbon dioxide gas. You can assume both gases behave as ideal gases under these conditions. Calculate the mole fraction of each gas. Be sure each of your answer entries has the correct number of significant digits..
At what temperature would the pressure be 1.50 x 10-2 atm? c. At what temperature would the pressure be at 25.0 atm?
What is the freezing point of a solution prepared from 50.0 g ethylene glycol (C2H6O2) and 85.0 g H2O? Kf of water is 1.86°C/m.
At its closest approach, Mars is 56 million km from Earth. how long would it take to send a radio message from a space probe of Mars to Earth when the planets are at this closest distance.
in the reaction p4 5 o2 rarr 2 p2o5 how many moles of o2 are consumed each time 0.5 moles of p2o5
How many non-bonding valence electrons are there in a molecule of citric acid? please show how to calculate/count them up.
At a certain temperature 16.7 mL of .45 M NaOH solution is required to titrate 30.0 ML of a 0.1 M KCL solution saturated with potassium bitartrate. What is the Ksp of KHT at this temperature
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