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A solution contains 10.0g of KOH and 900.0ml of water. The volume of the solution is 904.7ml. What is the mass percent of KOH? What is the mole fraction of KOH? What is the molality of the solution?
ALso suppose that an equal Vmax is possible with both of the substrates. Which substrate will show a greater rate of rection at 1 x 10^-3 M. Which substrate will show a greater rate at 1 x 10^-2 M. What will be the effect of addition of B on the r..
What happens to the voltage of this cell as the cell is discharged? Why? a. Voltage increases b. Voltage remains the same c. Voltage decreases d. because product concentrations are increasing
The solubility of Pb(NO3)2 is 55 gramsper 100 g H2O at 20 degrees celcius. Which term would properly describe a soloution where 44 grams of Pb(NO3)2 is added to 100 grams of water at this temperature
What is the heat change per mole of CaCl2 dissolved in water? Assume that all the heat is absorbed by the water. (c = 4.18 J/g C)
A student wanted to determine the molar concentration of acetic acid in a commercial vinegar sample. He used a volumetric pipet to deliver 3.00 mL of vinegar to an Erlenmeyer flask, added about 30 mL of water and 3 drops of phenolphthalein indicat..
A vitamin C capsule is analyzed by tirating with 0.3M NaOH. It is found that 24.4 ml of base is required to react with a capsule weighing 0.55g.
What is the average speed of the sprinter if A sprinter set a high school record in track and field, running 200. M in 22.0s .express your answer in kilometers per hour?
A soln. of HCl has a specific gravity of 1.120 and contains 23.81% HCl by wt. How many grams and how many milliequivalents of HCl are present in each milliliter of the soln.?
1764 lbs of ammonia is being deposited into 1 hectare of farm land. suppose all of the 1764lbs of ammonia will be
Write the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include physical states.
assuming the density of water is 1.00gml at ambient temperature what is the exact volume in ml of teh 250-ml erlenmeyer
if 17.2 ml of 0.800 m hydrochloric acid solution are required to neutralize 5.00 ml of a household nh3 solution
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