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2Sb(s) + 3S(s) → Sb2S3(s) is the given equation in which Sb2S3 is 340. g/mol determine what is the mass percent yield from 2.57 grams of Sb in excess Sulphur , if 1.56 g of Sb2S3 is obtained?
As 100 milliliters of KOH of 0.10 molar is combined to 100 milliliters HCL of 0.10 molar at the temperature of 298 Kelvin, then calculate what will be the pH of the resulting solution ?
Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
Conclude the range of pressures that this system can exists as 2 phases By imagine Raoult's law is applied to the system
What is the final concentration of Na+ after adding 230 ml of water to a stock solution of 2.5M 420.0 ml Trisodium phosphate?
In Horner-Wadsworth-Emmons reaction, a 1,2-disubstituted alkene was produced in which the olefinic protons exhibited at vicinal coupling of 9.0 Hz in the 1H NMR. What is the stoichiometry of the double bond.
Show whether or not precipitate will form in this process when the Ksp of Pbl = 9.8*10 -9
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
Using a Sample of 0.3991 grams of an unknown monoprotic acid, HA, which combines with Sodium hydroxide according to the balanced equation HA + NaOH ® NaA + H2O when 35.30 mL of 0.1086 M Sodium hydroxide is required to titrate the acid to the equiv..
determine how many grams of C 12 H 22 O 11 (sucrose) (mm = 342 g/mol) does he need if he uses 375 grams of Water? it is given that the vapor pressure of water =17.5 mm Hg. at 20 degree celsius temperature)
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?
Determine what would be the total ?nal pressure of the system in atmospheres If we completely hydrolyzed 0.18 kg of H2O in a 8.2 L container at 300 K?
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