Sample Exercise 13.1 Predicting Solubility Patterns
Plan With the information given, we can use Henry’s law, Equation 13.4, to calculate the solubility, S CO 2. Solve S CO 2 = kP CO 2 = (3.4 10 2 mol/L-atm)(4.0 atm) = 0.14 mol/L = 0.14 M Check The units are correct for solubility, and the answer has two significant figures consistent with both the partial pressure of CO
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Sample Exercise 14.1 Calculating an Average Rate of Reaction
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www.centrallyon.orgn by comparing the number of moles of product with the number of moles of reactants (Equation 15.15). Solve With 2 mol of gaseous products (2 NH 3) and 4 mol of gaseous reactants, (1 N 2 + 3 H 2), n = 2 –4 =2. (Remember that functions are always based on products minus reactants.) The temperature is 273 + 300 = 573 K.
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