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2Ag+Br2->2AgBr
According to the equation above, the greatest mass of Ag(s) (molar mass 108 g/mol) that can react with 5.30mL of Br2 (molar mass 160g/mol, density 3.00g/mL) is closest to?
What is the pH of a buffer prepared by adding 0.809 of the weak acid HA to 0.305 of NAH in 2.00 L of solution. The dissociation constant Ka of HA is of is (5.66 X 10^{-7})
a balloon is filled with 500.0 ml of helium at a temperature of 27 degrees celsius and 755 mm hg. as the balloon rises
a student weighs an aspirin tablet and finds that it weighs 385 mg. she crushes it dissolves it and titrates it with
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the content of manganese in steel was found using atomic absorption and the method of standard additions. a standard
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
Calculate the change internal energy for a system that is giving off 45.0 kJ of heat and is performing 855 J of work on the surroundings.
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
A 5.0 g sample of a hydrate of BaCl2 was heated, and only 4.3 g of the anhydrous salt remained. What percentage of water was in the hydrate?
How many milliliters of 0.270 M Na2S2O2 solution are needed to titrate 2.303 of I2 according to the equation below
What is the net redox reaction that occurs when Ag comes into contact with acidic K2Cr2O7? Which metal is the most reactive?
Question- What is the mass percent concentration of the following solutions. a) Dissolve 0.595mol of citric acid, C6H8O7, in 1.00 kg of water. b) Dissolve 0.135mg of KBr in 5.00 mL of water. c)Dissolve 5.60g of aspirin, C9H8O4, in 145 g of dichlorome..
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