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Cake alum, aluminum sulfate, is commonly used to purify sewage. What mass of precipitate, aluminum hydroxide, forms whn 185.5 mL of 0.533 M NaOH is added to 627 mL of a cake alum solution that contains 15.8 grams per liter? The other product is sodium sulfate.
The molar mass of a protein is determined from a measurement of the osmotic pressure. If 0.01 grams of the protein is dissolved in 1 ml. and osmotic pressure
A sample of gas has a volume of 3.40L at 10.0C what will be its volume be at 100C pressure rremaining constant
The initial concentrations of the three gases are 0.550 M H2S, .550 M H2, and .275 M S2. Determine the equilibrium concentrations of the gases.
As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 75.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
The pH after adding 5.0mL, 10.0mL, 15.0mL, 20.0mL (keeps increasing by 5)... 50mL of KOH aqueous solution to the 50.0 mL sample of the HF solution.
determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 ml rises to 274 ml
assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)C2H3O2^- b)AlCl3 c)NH4^+ d)HBrO4
A 100.-L flask contains a mixture of methane (CH4) and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650.
How many liters of CH4 (g), measured at 23.4C and 768mmHG, must be burned to provide the heat needed to vaporize 3.78 L of water at 100C? DeltaHcomb= -8.90x10^2 KJ mol CH4. For H2)(l) at 100 C, d= 0.958 g cm and deltaHvap=40.7KJ mol.
compute the structural analysis of the protein.1.nbspwhat order will the following proteins elute from a caution
a proton in a linear accelerator has a de broglie wavelength of 117pm. what is the speed of the
or the reaction H2(g)+CO2(g) H2O(g)+CO2(g) at 700C, Kc=.534. Calculate the number of moles of H2 that are present at equilibrium
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