Concentration

What is the molatiry of a solution in which 58 g of NaCl are dissolved in 1.0 L of solution?

• 100 M

• 1.5 m

• 1.0 M

• 1.0 m

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 1.07 gram
• 62.7 mol
• 1.07 mol
• 62.7 grams

Tags

NGSS.HS-PS1-7

What is the molality of 1.2 g of HCl in 750 g of solution?

• 0.04 m
• 0.00004 m
• 0.0016 m

Tags

NGSS.HS-PS1-7

Determine the mole fraction of SOLUTE in a solution with 2 moles of acetic acid C₂H₄O₂ and 2 moles of water.

• .5
• .25
• 1
• .2

If the percent (mass/mass) for a solute is 4% and the mass of the solution is 200 g, what is the mass of solute in the solution?

• 8.0 g
• 50 g
• 80 g
• 800 g

What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?

• 0.018 M
• 0.0011 M
• 1.052 M
• 0.062 M

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Tags

NGSS.HS-PS1-5

Solvent is best defined as-

• a mixture in which the substances are spread out evenly between one another and cannot be told apart
• the ability of a substance to dissolve in another substance
• a substance that dissolves in another substance
• a substance into which another substance dissolves

What is the percent-by-mass, concentration of sucrose in a solution made by dissolving 7.6 g of sucrose in 83.4 g of water?

• 0.0835
• 2.78
• 8.35
• 0.0278

What is the molarity of a solution of nitric acid that contains 12.6 grams nitric acid in 1.2 L of solution?

• 0.167 M
• 0.538 M
• 0.378 M
• 0.812 M