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At an unknown temperature...
1f. At an unknown temperature a solution made of (7.740x10^0) g of a non-volatile solute dissolved...
1f. At an unknown temperature a solution made of (7.740x10^0) g of a non-volatile solute dissolved in 100.0 g of water has a vapor pressure of (5.51x10^1) mm Hg. What is the vapor pressure of pure water (in mm Hg) at this unknown temperature? The molar mass of the solute is (5.360x10^1) g/mol. 1g. A solution is made of two volatile solutes: Chemical A (with a pure vapor pressure of 80.0 mm Hg) and Chemical B (with a pure vapor...
1e. An aqueous solution has a mole fraction of solute of (4.73x10^-2). The density of the...
1e. An aqueous solution has a mole fraction of solute of (4.73x10^-2). The density of the solution is (1.1400x10^0) g/mL and the solute has a molar mass of (8.020x10^1) g/mol. What is the Molarity of solute of this solution? 1f. At an unknown temperature a solution made of (7.740x10^0) g of a non-volatile solute dissolved in 100.0 g of water has a vapor pressure of (5.51x10^1) mm Hg. What is the vapor pressure of pure water (in mm Hg) at...
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A solution is made of two volatile solutes: Chemical A (with a pure vapor pressure of 80.0 mm Hg) and Chemical B (with a pure vapor pressure of 100.0 mm Hg). The solution has a total vapor pressure of (9.88x10^1) mm Hg. If the solution is known to be made from 3.00 mol of A, how many moles of B must there be in the solution? HINT: The...
At an unknown temperature a solution made of (5.180x10^0) g of a non-volatile solute dissolved in...
At an unknown temperature a solution made of (5.180x10^0) g of a non-volatile solute dissolved in 100.0 g of water has a vapor pressure of (5.54x10^1) mm Hg. What is the vapor pressure of pure water (in mm Hg) at this unknown temperature? The molar mass of the solute is (4.620x10^1) g/mol. Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is...
9. Please help is due in 30 mins, will rate, Thank you! When (8.8800x10^1) g of...
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When (8.8800x10^1) g of a non-electrolyte is dissolved in (5.84x10^2) g of a solvent (with Kb = 0.416°C/m) the boiling point of the solution is 1.50°C higher than the boiling point of the pure solvent. What is the molar mass (in g/mol) of the non- electrolyte solute?
4. Please help is due in 30 mins, will rate, Thank you! An aqueous solution has...
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An aqueous solution has a mass percent of solute of (2.630x10^1)%. The density of the solution is (1.41x10^0) g/mL and the solute has a molar mass of (1.7000x10^2) g/mol. What is the molality of solute of this solution?
5. Please help is due in 30 mins, will rate, Thank you! An aqueous solution has...
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An aqueous solution has a mole fraction of solute of (2.5200x10^-2). The density of the solution is (1.2100x10^0) g/mL and the solute has a molar mass of (9.44x10^1) g/mol. What is the Molarity of solute of this solution?
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An aqueous solution has a molality of (2.610x10^-1) m. The density of the solution is (1.4100x10^0) g/mL and the solute has a molar mass of (1.68x10^2) g/mol. What is the mole fraction of solute of this solution?
8. Please help is due in 30 mins, will rate, Thank you! A certain pure solvent...
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A certain pure solvent freezes at 39.8°C and has a freezing point depression constant Kp = 0.777°C/m. What is the predicted freezing point in °C) of a solution made from this solvent that is (1.42x10^0) m in a non-electrolyte solute?
Please help is due in 30 mins, will rate, Thank you! At what temperature (in K)...
Please help is due in 30 mins,
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At what temperature (in K) will a reaction be at equilibrium if AHsys = -(4.67x10^2) kJ/mol and ASsys = -(3.7900x10^2) J/K mol?
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A solution is made of two volatile solutes: Chemical A (with a pure vapor pressure of 80.0 mm Hg) and Chemical B (with a pure vapor pressure of 100.0 mm Hg). The solution has a total vapor pressure of (9.88x10^1) mm Hg. If the solution is known to be made from 3.00 mol of A, how many moles of B must there be in the solution? HINT: The...
At an unknown temperature a solution made of (5.180x10^0) g of a non-volatile solute dissolved in 100.0 g of water has a vapor pressure of (5.54x10^1) mm Hg. What is the vapor pressure of pure water (in mm Hg) at this unknown temperature? The molar mass of the solute is (4.620x10^1) g/mol. Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is...
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When (8.8800x10^1) g of a non-electrolyte is dissolved in (5.84x10^2) g of a solvent (with Kb = 0.416°C/m) the boiling point of the solution is 1.50°C higher than the boiling point of the pure solvent. What is the molar mass (in g/mol) of the non- electrolyte solute?
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An aqueous solution has a mass percent of solute of (2.630x10^1)%. The density of the solution is (1.41x10^0) g/mL and the solute has a molar mass of (1.7000x10^2) g/mol. What is the molality of solute of this solution?
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An aqueous solution has a mole fraction of solute of (2.5200x10^-2). The density of the solution is (1.2100x10^0) g/mL and the solute has a molar mass of (9.44x10^1) g/mol. What is the Molarity of solute of this solution?
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An aqueous solution has a molality of (2.610x10^-1) m. The density of the solution is (1.4100x10^0) g/mL and the solute has a molar mass of (1.68x10^2) g/mol. What is the mole fraction of solute of this solution?
8. Please help is due in 30 mins,
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A certain pure solvent freezes at 39.8°C and has a freezing point depression constant Kp = 0.777°C/m. What is the predicted freezing point in °C) of a solution made from this solvent that is (1.42x10^0) m in a non-electrolyte solute?
Please help is due in 30 mins,
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At what temperature (in K) will a reaction be at equilibrium if AHsys = -(4.67x10^2) kJ/mol and ASsys = -(3.7900x10^2) J/K mol?
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