
Taking Pool 3 when 23 g NatuSO, is dissolved in enough water to make 946. mL...
If 2.50 g of calcium bromide, CaBr2, is dissolved in enough water to make 250 mL of solution, what is the concentration of bromide ions? (Molar mass of CaBr2: 199.9 g/mol) 0.100 M 0.150 M 0.0500 M 0.0125 M 0.0250 M
When 4.57 g of a nonelectrolyte solute is dissolved in water to make 835 mL of solution at 23 °C, the solution exerts an osmotic pressure of 869 torr. What is the molar concentration of the solution? concentration: How many moles of solute are in the solution? moles of solute: mol What is the molar mass of the solute? molar mass: g/mol
When 10.0 mg of sucrose is dissolved in enough water to make 100.0 mL of solution at 25.00 °C, an osmotic pressure of 5.43 mmHg is measured. What is the molar mass of sucrose? Show your work, and provide your answer in g/mol.
When 2.34 g of a nonelectrolyte solute is dissolved in water to make 405 mL of solution at 27 °C, the solution exerts an osmotic pressure of 905 torr. What is the molar concentration of the solution? concentration: How many moles of solute are in the solution? moles of solute: mol What is the molar mass of the solute? molar mass: g/mol
When 3.42 g of a nonelectrolyte solute is dissolved in water to make 885 mL of solution at 22 °C, the solution exerts an osmotic pressure of 873 torr. What is the molar concentration of the solution? concentration: concentration: How many moles of solute are in the solution? moles of solute mol What is the molar mass of the solute? g/mol molar mass
When 2.48 g of a nonelectrolyte solute is dissolved in water to make 105 mL of solution at 27 C, the solution exerts an osmotic pressure of 845 torr. What is the molar concentration of the solution? Number How many moles of solute are in the solution? Number mol What is the molar mass of the solute? Number g/ mol
A 4.75-g sample of an unknown compound is dissolved in enough water to make 100.0 mL of solution. This solution has an osmotic pressure of 25.0 torr at 25oC. Find the molar mass of the unknown.
If 2.63 g Fe(NO3), is dissolved in enough water to make exactly 460 mL of solution, what is the molar concentration of nitrate ion? M of Fe(NO3)3=241.86 g/mole
If 1.25 g Fe(NO3)3 is dissolved in enough water to make exactly 397 mL of solution, what is the molar concentration of nitrate ion?
If 5.28 g Fe(NO3)3 is dissolved in enough water to make exactly 298 mL of solution, what is the molar concentration of nitrate ion?