Category: Molarity (Ch. 10)
What is the molarity of a solution with 0.75 moles of solute in 0.500 L?
1.5 M
Convert 3.5 hours into minutes.
210 min
What is the mass percent of a solution with 5 g solute and 95 g solvent?
5%
What precipitate forms when Pb(NO₃)₂ reacts with KI?
PbI₂
How many moles are in 250 mL of a 2.0 M solution?
0.50 mol
Convert 2500 mg into grams.
2.5 g
What is the mass of solute in 200 g of a 3.0% solution?
6 g
Write the complete ionic equation for Na₂SO₄ + BaCl₂. What solid forms?
BaSO₄ (solid forms)
What volume is needed to dilute 2.0 M solution to 0.50 M if you start with 100 mL?
400 mL
Convert 90 km/h into m/s.
25 m/s
What is the ppm if 0.004 g solute is in 1.0 kg solution?
4 ppm
What are the spectator ions in the reaction of AgNO₃ and KCl?
K⁺ and NO₃⁻
What is the molarity when 9.8 g of H₂SO₄ (98 g/mol) is dissolved to make 500 mL of solution?
0.20 M
How many cm³ are in 2.0 L?
2000 cm³
What mass of solution is needed to contain 8 g solute at 4.0% concentration?
200 g
Write the net ionic equation for Ba²⁺ reacting with SO₄²⁻.
Ba²⁺ + SO₄²⁻ → BaSO₄(s)
After mixing 100 mL of 1.0 M NaCl with 100 mL of 2.0 M NaCl, what is the final molarity?
1.5 M
Convert 5.0 × 10³ mm into meters.
5.0 m
A solution is 12% by mass and contains 24 g solute. What is the total mass of the solution?
200 g
If two clear solutions mix and form no precipitate, what does that imply about solubility?
All possible products are soluble