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You dissolve 17.9 g of aluminum bromide in a volumetric flask and add H2O to a total volume of 250 ml. What is the formal molarity? What is the molarity of Al cations? What is the molarity of Br anions?
PCl5(g) PCl3(g) + Cl2(g) Kc=0.042 The consentrations of the products at equilibrium are (PCl3)= 0.150M and (Cl2)=0.200 M. What is the consentration of the reactant, PCl5 at equilibrium
he most probable mechanism of reactivity for solvolysis of benzyl chloride is a) Sn1 b) Sn2 c) E1 d) E2. The most probable mechansim of reactvity for solvolysis of 2-chloro-norborane
What mass of sodium acetate, NaCH3COO, must be added to 1 L of 0.1 M acetic acid solution to make a buffer with a pH = 4.8
If 1.00 g sodium bicarbonate and 1.00 g citric acid are allowed to react, how many grams of carbon dioxide will form?
When Aqueous solutions of Pb(NO3)2 and Na2SO4 are mixed, a precipitate of PbSO4 is formed. Calculate the mass of PbSO4 formed when 655 mL of 0.150 M Pb(NO3)2 and 525 mL of 0.0751 M Na2SO4 are mixed.
Determining the BOD of a water sample,it was found that the DO level was 9.3ppm before incubation and 6.7 ppm after five days of incubation.what is the BOD of this sample?
How much PV work is done in kilojoules and what is the value of ^E in kilojoules for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80L
What is the percent H2SO4 for a solution consisting of 4.62 equivalencies of H2SO4 mixed with 11.2 kg of water if both portions
How much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75 M in sodium acetate
Rewrite the following unbalanced equations, changing them into balanced net ionic equations (assume that all reactions are in water solutions)
determine the final pressure volume temperature and number of moles of gas when the volume is reduced by halfnbspat the
If 0.02 moles of PbCl2 is added to 500 dm3 of a 0.01 M salt water solution, what is the Qs value and will PbCl2 precipitate?Ksp = 1.6 x 10-5.
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