An 11.0% (by mass) solution of potassium carbonate (molar mass 138.2 g/mol) has a density of...
An 11.0% (by mass) solution of potassium carbonate (molar mass 138.2 g/mol) has a density of 1.13 g/cm3. Calculate the molarity ofpotassium ions (atomic mass 39.10 g/mol) in the solution.
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An 11.0% (by mass) solution of potassium carbonate (molar mass
138.2 g/mol) has a density of...
An aqueous solution of MgCl2 that is 27.5% (mass%) and has a solution density of 1.25 g/mL. MgCl2 has a molar mass of 95...
An aqueous solution of MgCl2 that is 27.5% (mass%) and has a solution density of 1.25 g/mL. MgCl2 has a molar mass of 95.211 g/mol. What is the molarity of this MgCl2 solution?
an aqueous solution of sucrose (C6H12O6 molar mass = 180.16g/mol) is 3.928m and has a density...
an aqueous solution of sucrose (C6H12O6 molar mass = 180.16g/mol) is 3.928m and has a density of 1.240 g/ml. What is the molarity of the solution (use dimensional analysis)
Calculate molarity of 10.00 g/L solution of the salt, if its molar mass is 100.0 g/mol...
Calculate molarity of 10.00 g/L solution of the salt, if its molar mass is 100.0 g/mol and solution density D=1.100 g/mL.
An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cm3) at 25.00°C. The density of pure...
An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cm3) at 25.00°C. The density of pure ethanol is 0.7850 (g/cm3) and the density of pure water is 0.9970(g/cm3) at this temperature. At these conditions, the partial molar volume of ethanol is 55.00 (cm3/mol) and the partial molar volume of water is 17.5 (cm3/mol). a. Calculate the total volume of a 1000.0 g solution assuming both ideal and non-ideal conditions. b. What does the difference between...
The molar mass of sodium carbonate is 105.9888 g/mol. A student weighs out 0.2211 g of...
The molar mass of sodium carbonate is 105.9888 g/mol. A student weighs out 0.2211 g of it to standardize their HCI solution. The initial reading is 0.23 mL and the final is 41.82 mL. Fill in the missing conversions to determine mols of acid titrated: What is the volume HCI titrated? What is the molarity of the HCI titrated?
Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69...
Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69 2.70 8.92 7.86 11.34 7.28 An unknown metal sample has a mass of 24.05 g and a volume of 3.06 mL. Consult the table to identify the unknown and calculate the molar volume (cm3/mole) of the unknown metal sample. Record your answer to three significant figures. cm3/mol mit Answer
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar...
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar concentration of NiCl2 in this solution.(b) the molar Cl− concentration of the solution.(c) the mass in grams of NiCl2 contained in each liter of this solution.
A certain bivalent metal has a density of 7.239 g/cm3 and a molar mass of 105...
A certain bivalent metal has a density of 7.239 g/cm3 and a molar mass of 105 g/mol. Calculate (a) the number density of conduction electrons, (b) the Fermi energy, (c) the Fermi speed, and (d) the de Broglie wavelength corresponding to this electron speed.
An aqueous solution of MgCl2 that is 27.5% (mass%) and has a solution density of 1.25...
An aqueous solution of MgCl2 that is 27.5% (mass%) and has a solution density of 1.25 g/mL. MgCl2 has a molar mass of 95.211 g/mol. What is the molarity of this MgCl2 solution?
9) An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cm3) at 25.00°C. The density...
9) An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cm3) at 25.00°C. The density of pure ethanol is 0.7850 (g/cms) and the density of pure water is 0.9970(g/cms) at this temperature. At these conditions, the partial molar volume of ethanol is 55.00 (cm3/mol) and the partial molar volume of water is 17.5 (cmmol). a. Calculate the total volume of a 1000.0 g solution assuming both ideal and non-ideal conditions. b. What does the difference...
The molar mass of sodium carbonate is 105.9888 g/mol. A student weighs out 0.2211 g of it to standardize their HCI solution. The initial reading is 0.23 mL and the final is 41.82 mL. Fill in the missing conversions to determine mols of acid titrated: What is the volume HCI titrated? What is the molarity of the HCI titrated?
Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69 2.70 8.92 7.86 11.34 7.28 An unknown metal sample has a mass of 24.05 g and a volume of 3.06 mL. Consult the table to identify the unknown and calculate the molar volume (cm3/mole) of the unknown metal sample. Record your answer to three significant figures. cm3/mol mit Answer
9) An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cm3) at 25.00°C. The density of pure ethanol is 0.7850 (g/cms) and the density of pure water is 0.9970(g/cms) at this temperature. At these conditions, the partial molar volume of ethanol is 55.00 (cm3/mol) and the partial molar volume of water is 17.5 (cmmol). a. Calculate the total volume of a 1000.0 g solution assuming both ideal and non-ideal conditions. b. What does the difference...
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