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Laabri

Chapter 11 Solutions Bellwork

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Last updated about 1 month ago
4 Nsɛmmisa
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Categorize each of the following as to which solvent would be best to dissove each solute.

  • Cu(NO3)2

  • CS2

  • CH3OH

  • CH3CH2CH2OH

  • HCl

  • C6H6

  • Water

  • Hexane (C6H14

1
1
1
Asemmisa {{asɛmmisaAhyɛnsode}}
2.

A solution is prepared by mixing 50.0 mL pentane (C5H12, d=0.63 g/mL) with 45.0 mL hexane (C6H14, d=0.66 g/mL). Assuming the volumes add on mixing calculate the mole fraction, molality, and molarity of the pentane.

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

For each of the following pairs, predict which substance would be more soluble in water.

a. NH3 or PH3

c. CH3COOH or CH3COOCH