Calcium citrate, Ca(C6H5O7)2(MW = 498.5 amu), is a common dietary supplement to provide calcium needed for strong teeth and bones. Look up the recommended daily dietary intake of calcium for adult men and premenopausal women.

Solve each of the following problems using one or more conversion factors: a. Wine is 12% alcohol by volume. How many milliliters of alcohol are in a 0.750-L bottle of wine?

Using conversion factors, solve each of the following clinical problems: b. A patient needs 0.024 g of a sulfa drug. There are 8-mg tablets in stock. How many tablets should be given?

Using conversion factors, solve each of the following clinical problems: a. You have used 250 L of distilled water for a dialysis patient. How many gallons of water is that?

Using conversion factors, solve each of the following clinical problems: a. The physician has ordered 1.0 g of tetracycline to be given every six hours to a patient. If your stock on hand is 500-mg tablets, how many will you need for one day's treatment?

The white blood cell concentration in normal blood is approximately 12,000 cells/mm^2 of blood. How many white blood cells does a normal adult with 5 L of blood have? Express the answer in scientific notation.

Obtain a package of your favorite snack food and examine the nutritional information on the label. Confirm the caloric value listed by using the conversions listed in the table in the Chemistry in Action feature 'Energy from Food' (p. 191). Alternatively, you can use the estimates for caloric value for a given food as provided in the table. How long would you have to engage in each of the physical activities to burn the calories contained in your snack?

The length of this rug is 38.4 in. and the width is 24.2 in. (2.3, 2.6) d. Calculate the area of the rug, in square centimeters, to the correct number of significant figures. ( Area = Length x Width)

A shipping box has a length of 7.00 in., a width of 6.00 in., and a height of 4.00 in. (2.3, 2.6)

b. What is the width of the box, in centimeters?