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Determine the volume of .450M NaPO4 is needed to precipitate all the lead(II) ions from 190.0mL of .550M Lead(II) nitrate?
the solubility of Barium nitrate(s) 130.5 g/L at the temperature of 0 degree celcius. Determine how many moles of dissolved salt are present in four liters of a saturated solution of Barium nitrate?
A substance has a molecular mass of 100g/mol. How many ug are in a 700mm3 volume of a 2mM solution?
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
determine the molarity of a solution prepared by dissolving 45.0g of CH3OH in sufficient water to make 725mL.
Determine what would be the concentration of the final solution If you take a ten mili litres portion of the stock solution and dilute it to a total volume of 0.250 Litres,?
A compound contains only carbon, hydrogen, and oxygen. Combustion of 0.01068 g of the compound yields 0.01601 g of CO2 and 0.00437 g of H2O. The molar mass of the compound is 176.1 g. What are the empirical and molecular formulas of the compound?
A block of alumium with a volume of 91.1cm^3 absorbs 64.6 j of heat. If its initial temperature was 33.7C, what is its final temperature
the intermediates formed in the base catalyzed cleavage of D-fructose to dihydroxyacetone and D-glyceraldehyde.
Calculate the vapor pressure (in torr) at 298 K in a solution prepared by dissolving 19.1 g of the non-volatile non-electrolye urea {CO(NH2)2} in 108 g of water.
A titration of 200.0 mL of 1.00 M H2A was done with 1.10 M NaOH. For the diprotic acid H2A, Ka1 = 2.5 × 10-5, Ka2 = 3.1 × 10-9. Calculate the pH after 600.0 mL of 1.10 M NaOH have been added.
Identify the intermolecular forces present in each of these substances. HCl, He, CO, HF Match these to the correct groups below. Dipole-dipole and dispersion only, Dispersion only
How does the collision theory account for the dependence of rate on the concentrations of the reactants?
An unknown gas Q effuses 1.33 times as fast under the same conditions as Xe gas. What is the molar mass (g/mol) of Q
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