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A saline solution is prepared by adding 135 g of NaCl to 1500 g of water. What is the molal concentration of NaCl?
what is the identity of the atom a when a solution containing 634 grams of acl3 was permitted to combine with an excess
What is the percent purity of the calcium hydroxide if the titration requires 13.88 mL of the acid to reach the endpoint
Suppose you carried out the decomposition reaction using 25.0 mL reaction solution (i.e. 15.0 mL of a 6.0% hydrogen peroxide and 10.0 mL of there reactants or solvent) and obtained the following results. What would be the concentration of oxygen if..
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
Barium chromate dissolved upon treatment with nitric acid forming an orange solution. Write a net ionic equation to represent the overall reaction that occurs.
what is the theoretical yield of carbon dioxide when 56.0 g of methane is burned in a excess of oxygen, according to the equation CH4 2 )2 ->CO2 ,2H2o.
Calculate the pH of each of the following solutions. a. 2.1x10^-4 M Ba(oH02 b. 7.9x10^-4 M HNO3
mgnh4po4.6h2o loses h2o stepwise as it is heated. between 40c and 60c the monohydrate mgnh4po4.h2o is formed and above
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide.
a chemist wants to prepare a solution with a freezing point of 22.0degc and has 100.00 g of glycerol on hand. what mass
How many grams of iron are needed to produce 2.85 L of hydrogen gas according to the following reaction at 25oC and 1 atm
how does edta react with soap. i know it reacts with sodium by replacing some of the hydrogens of the hydroxyl groups
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