Question

If you were asked to convert 3.5 moles of aluminum to grams, which of the following should you use for the conversion? . Select one:. a. fraction: 6.022 times 10 superscript 23 atoms Al over one mol Al atoms. b. fraction: 26.981 g Al over one mol Al. c. fraction: 13.0 g Al over one mol Al. d. fraction: 6.022 times 10 superscript 23 atoms Al over 26.981 mol Al atoms.

Answer 1

To convert the given number of moles of aluminum to grams, we need to use the molar mass of the element as the conversion factor. Aluminum has a molar mass of 26.981 g/ mol. The answer to this problem is b. fraction: 26.981 g Al over one mol Al.