AP Chem Ch11 Practice Quiz

AP Chem Ch11 Practice Quiz - AP Chem Chapter 11 Practice...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
AP Chem Chapter 11 Practice Quiz 1. A solution is said to contain 28% phosphoric acid by mass. What does this mean? a) 1 ml of this solution contains 28g of phosphoric acid b) 1 L of this solution has a mass of 28g c) 100g of this solution contains 28g of phosphoric acid d) 1L of this solution contains 28ml of phosphoric acid e) the density of this solution is 2.8 g/ml 2. What is the concentration of chloride ion, in percent, in a solution that contains 35.0 ppm chloride? a) 3.50 x 10 -3 % b) 3.50 x 10 2 % c) 3.50 x 10 -2 % d) 3.50 x 10 -6 % 3. Molality is a) moles solute / moles solvent b) moles solute / Liters solution c) moles solute / kg solution d) moles solute / kg solvent e) without units 4. The molality of lead nitrate in 0.726 M Pb(NO 3 ) 2 is: (The density of the solution is 1.202 g/ml) a) 0.476 m b) 1.928 m c) 0.755 m d) 0.819 m e) 0.650 m 5. A solution is prepared by dissolving 15.0g of NH 3 in 250g of water. The density of the resulting solution is 0.974 g/ml. Calculate the mole fraction of NH 3 in the solution. a) 0.064 b) 0.060 c) 0.94 d) 0.92 6. A solution is prepared by dissolving 15.0g of NH 3 in 250g of water. The density of the resulting solution is 0.974 g/ml. Calculate the molality of NH 3 in the solution. a) 0.00353 M
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

AP Chem Ch11 Practice Quiz - AP Chem Chapter 11 Practice...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online