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Calculate the concentrations of each ion present in a solution that results from mixing 49.6 mL of a 0.20M NaClO3(aq) solution with 25.3 mL of a .20 M Na2SO4(aq). Assume that the volumes are additive.
A balloon containing 34.5 L of a gas at room temperature (25.0 oC) is heated to 73.5 oC. What is the volume of the balloon at this new temperature?
calculate the molarity of acetic acid in a vinegar sample knowing that 5.00 mL of vinegar requires 43.50mL of 0.105M NaoH to just reach the phenolphtalein endpoint in a tritration
Enough of a monoprotic acid is dissolved in water to produce a 0.0189 M solution. The pH of the resulting solution is 6.25. Calculate the Ka for the acid.
If the O2 was the excess reagent, 8.3 mol of H2S were consumed, and 137.1g of water were collected after the reaction has gone to complain, what is the percent yield of the reaction?
Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95°C, and 1000 mmHg.
What is the percent ionization of a solution made by adding 6.00 grams of CH3COOH to 100 g of water (Kb = 0.512 ?C/m) if the boiling point of the solution is 100.712 ?C? Answer in units of %.
What would be the structure and name of the open chain hydroxyl/carbonyl compund from which the above hemiacetal might form
Extracting aluminium uses a current of 25000 ampere.What is the time taken to produce 10kg of aluminium from Al2O3(liquid
How many seconds are required to produce 1.0 g of silver metal by the electrolysis of a AgNO3 solution using a current of 30 amps?
Working with Temperature and Gas 1. What is the final temperature if 25 mL of milk 3.0 degrees Celsius is mixed with 150 mL of coffee at 95 degrees Celsius? Start by writing the equation that shows conservation of energy. State any assumptions you..
A 1.630 g sample of naphthalene, C10H8(s), is completely burned in a bomb calorimeter assembly and a temperature increase of 8.44°C is noted.
consider the reaction CO2+H2=CO+H2O.The equilibrium concentrations are [CO]= 0.050M, [H2]=0.045M, [CO2]=0.086M, and [H2O]= 0.040M. Calculate K .
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