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41 Cards in this Set
- Front
- Back
Acetic acid can be classified as a(n) ________.
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C) weak electrolyte
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The molarity of a solution of 5.00 g of KCl in 150. mL of solution is ________.
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C) 0.447 M
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How many grams of sodium chloride are required to make 2.00 L of a solution with a concentration of 0.100 M?
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D) 11.7 g
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When 25.0 g of NaCl is added to 175 g of water, the m/m % NaCl is ________.
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E) 12.5%
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How many grams of sulfuric acid, H2SO4, are needed to make 250. mL of a 1.22 M solution?
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A) 29.9 g
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What volume of a 2.00 M solution of sulfuric acid is needed to produce 0.0500 mol of sulfuric acid?
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B) 0.0250 L
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a solution that contains the highest amount of solute that dissolves at a given temperature
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L) saturated
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the major attraction between water molecules
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C) hydrogen bonding
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a solution in which more solute can be dissolved
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H) unsaturated
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a substance that does not form ions in solution
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J) nonelectrolyte
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a substance that does not form ions in solution
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J) nonelectrolyte
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a substance that ionizes completely in solution
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B) strong electrolyte
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one substance dissolved in another of significantly higher concentration
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G) solute
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the component of a solution present in greatest amount
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E) solvent
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the separation of a solute into ions when dissolved in water
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F) dissociation
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an equation for a reaction that only shows those species undergoing chemical change
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D) net ionic equation
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The molarity of a solution is the mass of solute divided by the solution volume.
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FALSE
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) The m/m % concentration of a solution is the mass of the solution divided by its volume multiplied by 100.
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FALSE
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The m/m % concentration of a solution is the mass of the solute divided by the solution mass multiplied by 100.
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TRUE
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The m/m % concentration of a solution is the mass of the solvent divided by its volume multiplied by 100.
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FALSE
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A solution with 58.5 g sodium chloride dissolved in 500.0 mL of water is 2.00 molar.
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TRUE
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Hydrochloric acid is a strong electrolyte.
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TRUE
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Carbon tetrachloride, CCl4, is soluble in water.
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FALSE
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Glucose is a nonelectrolyte
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TRUE
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For most solids, solubility decreases as the temperature of the solution increases
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FALSE
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The solubility of a gas in water decreases as the temperature increases
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TRUE
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The higher the pressure of a gas above a liquid in a closed container, the greater the solubility of the gas.
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TRUE
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A solution of a nonelectrolyte contains only ions
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FALSE
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An aqueous solution of NaCl has a higher freezing point than pure water
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FALSE
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19) If water is added to 100. mL of a 6.00 M CaCl2 solution until the volume is 200. mL, the new molarity is 3.00 M.
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TRUE
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The number of moles of a compound dissolved in one liter of a solution is called the ________.
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: molarity
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A substance that carries an electric current when dissolved in water is called a(n) ________.
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electrolyte
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A substance that produces only a small number of ions in solution is known as a ________ electrolyte.
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weak
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Sodium hydroxide has a molar mass of 40.0 g/mole. How many grams of sodium hydroxide are needed to make 500.0 mL of a 1.00 molar solution?
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20.0 g
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Sodium chloride has a molar mass of 58.4 g/mole. How many grams of sodium chloride are needed to make 500. mL of a 0.250 molar solution?
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7.30 g
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What mass of barium sulfate will be formed from 10.0 mL of 0.400 M H2SO4 ?
BaCl2 + H2SO4 → BaSO4 + 2HCl |
0.934 g
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student has available 1.00 L of a 5.00 M solution of sodium hydroxide. The student needs of sodium hydroxide for a reaction. How many mL of the concentrated solution should the student use?
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10.0 mL
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How many moles of lithium bromide are present in 25.0 mL of a 0.100 M solution?
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: 2.50 × 10-3 moles
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How many grams of lithium bromide are present in 25.0 mL of a 0.100 M solution?
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0.217 g
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If 4.55 g of NaCl is added to water to make 350. mL, what is the molarity of the solution?
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: 0.222 M
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) If water is added to 50.0 mL of 1.20 M KCl until the total volume is 150. mL, what is the molarity of the dilute solution?
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: 0.400 M
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