Chapter 1, Problem 1.34E

You are in Paris, and you want to buy some peaches for lunch. The sign in the fruit stand indicates that peaches cost 4.00 euros per kilogram. Given that 1 euro is equivalent to approximately $1.20, calculate what a pound of peaches will cost in dollars.

The dose of a drug is 50 mg/kg of body weight once daily for 7 consecutive days. For a child weighing 90 lbs., the volume of a syrup containing 250 mg of drug per teaspoonful to be prescribed is _____ mL.

1. Comment on the differences in measurements obtained on the same objects using the meter stick, ruler, and tape measure. How close are they to one another? 2. Which type of electronic balance gives you the most accurate mass? Why? 3. Comment on the differences found between the different volumetric measuring devices. How does the volume of the graduated cylinder compare to that obtained by the volumetric flask (i.e. are the volumes the same?) Which of these measuring devices gives the most accurate volume? Which of these measuring devices would you consider the easiest to work with?