Question 3d
Determine the single best answer for each of the following m…
Determine the single best answer for each of the following multiple choice questions.
Question 2d
Question 2d
Question 2a
Question 2a
What is the van’t Hoff factor (i) for Al₂(SO₄)₃ assuming com…
What is the van’t Hoff factor (i) for Al₂(SO₄)₃ assuming complete dissociation? A.3B. 4C. 5D. 6
Please access the exam below and enter your solutions/respon…
Please access the exam below and enter your solutions/responses in the answer fields that correspond to each question. Mock exam (PDF)
2.What is the molality of a solution containing 25.0 g of gl…
2.What is the molality of a solution containing 25.0 g of glucose (180.16 g/mol) dissolved in 250.0 g of water? A.0.278 mB. 0.556 mC. 0.139 mD. 1.11 m moles = mass (g) ÷ molar mass (g/mol) m = moles of solute ÷ kilograms of solvent
A solution has a boiling point elevation of 0.768 °C. Kb wa…
A solution has a boiling point elevation of 0.768 °C. Kb water = 0.512 °C/m, i = 1.What is the molality? A.0.50 mB. 1.00 mC. 1.50 mD. 2.00 m ΔTb=i⋅Kb⋅m
20. If k = 0.500 M⁻¹s⁻¹, [A]₀ = 0.200 M, what is [A] after 5…
20. If k = 0.500 M⁻¹s⁻¹, ₀ = 0.200 M, what is after 5.0 s? A.0.133 MB. 0.067 MC. 0.050 MD. 0.080 M
14.If k = 0.120 s⁻¹, [A]₀ = 0.800 M, what is [A] after 8.00…
14.If k = 0.120 s⁻¹, ₀ = 0.800 M, what is after 8.00 s? A.0.31 MB. 0.45 MC. 0.10 MD. 0.60 M