# Solns - Review Test You got 50 out of 50 correct(That's 100...

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Review Test You got 50 out of 50 correct. (That's 100%.) Scroll through the page to review your answers. The correct answer is highlighted in green. Your incorrect answers (if any) are highlighted in red. If you'd like to take the test over again, click the reset button at the end of the test. What is the name of the major component of a solution? (A) Electrolyte (B) Solvent (C) Ether (D) Solute What are the units of molarity? (A) moles / kg (B) Percent (C) moles / L (D) None What are the units of molality? (A) moles / L (B) Percent (C) None (D) moles / kg What are the units of mole fraction? (A) None (B) moles / L (C) moles / kg (D) Percent What are the units of normality? (A) moles / kg (B) molar equivalents / L (C) moles/ ton (D) None of the above What is the normality of a 1.5 M solution of H 2 SO 4 ? (A) 1 (B) 2 (C) 3 (D) 4 What is the molarity of a solution prepared from 10.0 g NaCl with a final solution volume of 286 mL? (A) 2.12 M (B) 0.36 M (C) 10.0 M (D) 0.60 M What is the molality of a solution prepared from 10.0 g NaCl and 255 g of water? (A) 0.67 m

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(B) 1.20 m (C) 0.32 m (D) Cannot be determined What is the mole fraction of water in a solution prepared from 10.0 g NaCl and 255 g of water? (A) 0.012 (B) 0.988 (C) 1.26 (D) None of the above What is the mass percent of NaCl in a solution prepared from 10.0 g NaCl and 255 g of water? (A) 2.1 % (B) 10 % (C) 3.8 % (D) 3.9% What happens to the mass percent of argon in a solution of 1 mole of argon dissolved in 2 moles of NO 2 when the volume of the container is tripled? (A) Increases by a factor of 3 (B) Increases by a factor of 6 (C) Decreases by a factor of 3 (D) Stays the same When the half of the water in a 1.0 m solution of sucrose is boiled off, what happens to the concentration of sucrose? (A) Doubles (B) Increases but does not double (C) Halves (D) None of the above When the half of the water in a 1.0 M solution of sucrose is boiled off, what happens to the concentration of sucrose? (A) Doubles (B) Increases but does not double (C) Halves (D) None of the above What is the maximum mole fraction for a component of a solution? (A) 0.1 (B) 0.5 (C) 1 (D) None of the above Why is it essential that the denominator for the mass percent calculation must be the total mass of the solution? (A) Because the solute is the minor component (B) Because the solvent is the major component of the solution (C) It is not essential (D) So that the percentage of a solute is never greater than 100% Between which two of the following will a solution form? (A) Mercury and gold (B) Gold and water (C) Water and methane (D) Methane and silver
Between which of the following phases can a solution not form? (A) Solid and solid (B) Gas and liquid (C) Gas and solid (D) None of the above Which of the following observations indicates that the mixture you possess is not a solution? (A) It is colored.

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Solns - Review Test You got 50 out of 50 correct(That's 100...

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