PT #095

When CH₃OH is dissolved in water, how many particles are in solution?

• 1

• 3

• 4

• 5

• 6

When KCl (potassium chloride) is dissolved in water, how many particles are in solution?

• 1

• 2

• 3

• 4

• 6

What is the molality (not molarity) of a solution when 500g water are used to dissolve 21g CuSO₄?

• 0.3 m

• 3.4 m

• 1.6 m

• 0.8 m

How many grams of NaCl need to be dissolved in 50g of water to make a 0.2m solution?

• 1.8g

• 0.1g

• 1.6g

• 0.6g

A solution has 10 moles of ammonia in 2L of solution. What is the molarity? 

• 5.0 M
• 20 M
• 0.5 M
• 0.2 M

What is the boiling point of a solution if 5.76 mol NaF is dissolved in 3.62 kg of water? (K_b=0.512*C/m)

• 0.81*C
• 101.62*C
• 100.81*C
• 103.1*C