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WorksheetsChapter 13
Total questions: 15
Worksheet time: 1hrs 15mins
What is a solution?
homogeneous mixture
substance being dissolved
present in greater amount
What is a solute?
homogeneous mixture
substance being dissolved
present in greater amount
What is a solvent?
homogeneous mixture
substance being dissolved
present in greater amount
Solids are more soluble at....
Unstable Temp.
High Temp.
Stable Temp.
Low Temp.
How many grams of NaCl are req’d to make a 1.54m solution using 0.500 kg of water?
m=mol/kg
23.75 g H
45.0 g NaCl
100
46.1 g NaCl
Find the molality of a solution containing 75 g of MgCl2 in 250 mL of water.
m=mol/kg
3.5 m MgCl2
5 m ClMg
3.2 m MgCl2
1
Preparation of a desired solution by adding ______ to a concentrate.
Fire
Molecules
Water
Solids
Select all the properties of acids
turns litmus red
electrolytes
rust faster
sour taste
Select all properties of a base
electrolytes
water
bitter taste
react with metals to form H2 gas
What do Arrhenius acids form
hydroxide ions
proton (H+) donors
hydronium ions
proton (H+) acceptors
What are Lewis bases
hydroxide ions
electron pair acceptors
proton (H+) acceptors
electron pair donors
Find the hydroxide ion concentration of 3.0 × 10-2 M HCl
1
[OH-] = 3.3 x 10-13 M
[OH-] = 3.4 x 10- 13 M
What is the pH of 0.050 M HNO3?
pH=1.3
pH=2.4
pH=1.5
pH=5
At what temperature will a solution that is composed of 0.73 moles of glucose in 225 g of phenol boil?
b.p. = 194*C
f.p. = 194*C
What does freezing point depression mean?
b.p. of a solution is higher than b.p. of the pure solvent
Solute particles lower the vapor pressure of the solvent
f.p. of a solution is lower than f.p. of the pure solvent
constant based on the solvent
