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Problem- pK1 and pk2 for oxalic acid H2C2O4 are 1.25 and 4.27. Calculate the [OH-] of a solution that is 5.0x10^-3 M in Na2C2O4
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Problem- If the water in your house has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form
What volume of each of the following solutions contains the indicated amount of dissolved solute? 1.) 4.50g solute in 0.475 M KNO3 2.) 4.50g solute in 0.475 M AlBr3
Calculate how many milliliters of 0.100 M HCl shoule be added to how many grams of sodium acetate dihydrate (NaC2H3O2 x 2H2O) at 5 degrees C to prepare 250.0 mL of a 0.100 M buffer at a pH=5.00. At 5 degrees C
Problem- A food storage chamber requires a refrigeration system of 15-ton capacity operating at an evaporator temperature of -8°C and a condenser temperature of 30°C. Refrigerant ammonia (R-717) is used and the system operates at saturated condi..
Why is 2-naphthol soluble in sodium hydroxide? Q.3 why is o-toluic acid soluble in sodium bicarbonate?
Assume the temperature of the mixture is chosen so that Kp=0.12. Predict the effect on the partial pressure of SO3 as equilibrium is achieved by using Q, the reaction quotient.
the combustion of butane produces heat accordingto the equation 2c4h10g 13o2g -gt8co2g 10h2ol hdegrxn -5314 kjmolwhat
Draw a Lewis structure that obeys the octet rule for each of the following anions. (Assign lone pairs, radical electrons, and atomic charges where appropriate.)
Acid-catalyzed dehydration of cyclobutylmethanol proceeds via an E1 mechanism and gives two alkenes.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 63.4 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
Determine the volume of the sample. (b) Plot the data. Now suppose you add another 5.00 mol of gas molecules into the same volume.
Problem- A sample of gas occupies a volume 185.5 mL at STP. What pressure, in torr, would it exert if it is transferred to a gas bulb with a volume of 255.5 mL in which the temperature is maintained at 34.5 degree Celsius
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