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Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10-11 mol/L. Is this solution acididc, basic, or neutral? Show your work.
Calculate the mass of propylene glycol that must be added to 0.360 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
If 500ml of a solution containing 1.00g of barium nitrate (199.33 g/mol) is combined with 500 ml of a soluiton containing 1.00g of sodium sulfate
Conclude the range of pressures that this system can exists as 2 phases By imagine Raoult's law is applied to the system
CaCO3(s) + 2 HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) How many mol CaCO3 can be dissolved in 0.0575 mol HCl?
How many grams of magnesium chloride are needed to react completely with 66.0 mL of 0.189 M NaOH solution
How many moles of oxygen will be produced if 27.6 grams of Al are produced?
A 515- sample of unknown solution reacts completely with to form 20.1 . What was the concentration of the solution?
A 1-L flask is filled with 1.45 g of argon at 25^0C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?
What is the overall reaction rate order of the reaction in (2)? What is the difference between the (1) and (4)?
Write equations for the reaction of each of the following with (1) Mg in ether followed by (2) additione of D2O to the resulting solution:
1.664 g of a solid white acid are dissolved in water and completely neutralized by the addition of 45.37 mL of 0.580 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
Which of the following pairs has about the same atomic radius?
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