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1. Given that the density of a solution of H2SO4 is 1.1548 then calculate the molality of a 1.94 wt % solution of sulfuric acid?
2. Assume that A compound is found to contain 30.7% sulfur, 23.3% magnesium, and 46.0% oxygen then calculate empirical formula of this compound & molecular formula too?
Calculate the percentage of chlorine in a sodium hypochlorite powder if 5.0 kg of powder gives off 2.3 kg of chlorine.
What is the molarity and osmolarity of a 1 liter solution with .2 moles of calcium chloride. How many molecules of chloride are dissolved in solution
A mercury nanometer contains 2 g of Ar. A burner heats it to P-ext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm?
The sun produces energy via fusion. One of the fusion reactions that occurs in the sun is How much energy in joules is released by the fusion of 3.06 of hydrogen-1
Compute the average decomposition rate of the organic acid - Average decomposition rate of the organic acid
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
Calculate the solubility (in grams per 1.00*10^2mL of solution) of magnesium hydroxide in a solution buffered at pH = 12.S1= 1.2*10^-8 g/(1.00*10^2mL)
determine the mass of aluminum acetate that can be made if i do this reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
Draw the product formed by the reaction of potassium t-butoxide with (1S,2S)-1-bromo-2-methyl-1-phenylbutane
the ternary compounds called chlorofluorocarbons, or Freons, have proved to be very valuable as refrigerants and as cleaning agents for circuit boards. Unfortunately, in the atmosphere these compounds produce chlorine atoms that catalyze the decom..
The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 315 K and 325 K. What must the activation energy be for the rate constant to double as described
what is the correct expression for computing the volume of gas at STP and determine What is the mass percent yield from 1.79 g of Sb in excess S, is obtained if 1.14 g of Sb 2 S 3 ?
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