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A flask containing 450 mL of 0.47 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on the spill to neutralize the acid according to the following equation? H2SO4(aq) + 2 NaHCO3(aq)-> Na2SO4(aq) + 2 H2O(l) + 2 CO2(g)
What technology or combination of technologies would you recommend for treating the following contaminated air streams?
How many grams of dry NH4Cl need to be added to 1.80L of a 0.400M solution of ammonia, NH3 , to prepare a buffer solution that has a pH of 8.90? Kb for ammonia is 1.8*10^-5.
Calculate the basic buffer capacity of a solution of 50.00 mL of 0.334 M HC2H3O2 to which is added 50.00 mL of 0.154
Determine the mass of precipitate (in grams) that forms when 213.8 mL of 0.132 M CaCl2 solution is reacted with excess AgNO3 solution.
A mixture of CaCO3 and CaO weighing 0.630 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g.
Glucose Isomers, When glucose is placed in water two stereoisomers are formed, one with the new OH on the opposite side of the ring than the 6th carbon
A 45.5 g sample of copper at 99.8 degrees celsius is dropped into a beaker containing 152 g of water at 18.5 degrees celsius. What is the final temperature when thermal equilibrium is reached?
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
You dissolve 650.0 g of sugar (C12H22O11) in 726 mL of water. The density of wat is 1.00 g/mL.
Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/ml . What is molarity?
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