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An aqueous solution containing 34.1 g of an unknown molecular (nonelectrolyte) compound in 141.3 g of water was found to have a freezing point of -1.5 degrees C. Calculate the molar mass of the unknown compound.
determine how much pv work is done if 80.0 g of c2h4 and 125 grams of hydro chloric acid are permissible to react at
How do you write a balanced equation for the following? Also key coenzymes for each process is needed
Durning the synthesis of Aspirin from Methyl salicylate we perfom a recrystallization. How do I relate the % yield of each compound to the efficacy of the recrystallization technique?
At 25o C, the solubility of magnesium hydroxide Mg(OH)2 in water is 0.00429 grams per Liter. Calculate the Ksp for the compound. [NOTE that there are two moles of OH- per mole Mg(OH)2.]
Scrubbers use aqueous slurries of calcium hydroxide to remove the SO2 from flue gases. Write a balanced equation for this reaction
After the vessel was pressurized with hydrogen gas and heated to 80 degrees C, the monometer showed the initial pressure inside the "bomb" to be 77.2 atm. Assuming 100% yield, calculate the pressure that should be inside the "bomb" when the reacti..
a sample of propanec3h8 contains 10.8 moles of carbon atoms. how many total moles of atoms does the sample
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.72 m AgNO3(aq).
name the highly volatile liquid may cause grave danger to the environmental health amp safety and fire safety
A gas occupies a volume of 75 ml when the pressure is 380 mmHg. What volume does the gas occupy at 1140 mmHg
when 0.2250 g mg was heated with 0.5331 g n2gas all the mg was consumed forming 0.3114 g mg3n2.what mass of n2 is left
A 25.0 mL sample of 0.10 M sodium benzoate is titrated with 0.10 M HCl(aq). What is the pH after the addition of 32.0 mL of HCl(aq)? (Kb of C6H5CO2- = 1.6 ´ 10-10)
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