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Determine the molarity of a solution of twenty grams of Ammonium bromide, NH4Br, in enough water to produce 132 mL of solution?
quininehydrochlorid (C20H24N2O2HCl) of 100 grams is transferred into a volume flask 100-mL with 5.00 mL of 1 M sulphuric acid and diluted with H2O. Then five mL of it gets transferred into a 500-mL volumetric flask where 25.0 mL of 1 M sulphuric acid is added H2O is then diluted to volume 1.00 mL gets transferred into a 100 mL volumetric flask after some time which is then being diluted to volume with 0.05 M sulphuric acid. Determine the concentration of quininehydrochlorid?
Compute the mass of H 2 O formed when 22 grams of propane are burnt if 4.4grams of propane are burnt in excess O2 7.2g of H 2 O are formed.
Determine how many moles of SO 3 are formed if 12.24 moles of O 2 react with excess SO 2 ,? use the balance equation given as 2SO 2 (g)+O 2 (g)----> 2SO 3 (g)
Determine how many moles of carbon dioxide should be added to the system to bring the equilibrium carbon monoxide concentration to 0.743 mol/L
Compute mole fraction of caffeine(C 8 H 10 N 4 O 2 ), the molarity of the solution
Compute the mass of an electron if the difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 grams?
Determined if CS 2 of 2.500 grams mix with an excess of chlorine gas , 9.310 Kilo joule of heat is evolved. What sort of reaction is this , Is the reaction exotermic also find out delta H for the reaction?
Analysis of corrosion mechanisms and preventative measures
Determine what is the final volume the gas occupies If the pressure of a gas inside the cylinder changes from 840.0 mmHg to 360.0 mmHg,?
Determine how much concentrated solution can you take to form 1.15 Litres of 0.105M Nitric acid by mixing with H 2 O?
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl
How many grams of Ammonium phosphate need to be combined to 500 and
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