Name: Show all work for sheets questions that require caleulations. If you use s

Question

Name: Show all work for sheets questions that require caleulations. If you use separate of paper, submit those sheets with your exam. 1. 10 the correct number of significant figures. points. Perform the following two calculations and express the result using (4.10) x (6.573) (8.115 x 10')x(403x10 (6.95 x 10) 2. 10 points. The dose required of a certain medication is 6 mg per kilogram of body weight. Determine the dose that would be required for a patient who weighs 158 pounds 3. 10 points. Determine the density of a sugar solution with a volume of 25.0 mL and a mass of 28.9 grams

Explanation / Answer

1 a) ( 4.10) * ( 6.573) = 26.9 = 27 round off

there are 2 sig figs

b) ( 8.115*10^3) * ( 4.03*10^-2) / ( 6.95 * 10^2)  

= 0.47 there are 2 sig figs

3) density = mass / volume

given volume = 25.0 mL

mass = 28.9 grams

density = 28.9 g / 25.0 mL

density = 1.16 g / mL

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