An aluminum atom has a mass of 4.48 * 10-23 g and a small airplane has a mass of 5000 kg. use this information to answer the questions below. be sure your answers have the correct number of significant digits.
(a) what is the mass of 1 mole of aluminum atoms?
(b) how many moles of aluminum atoms have a mass equal to the mass of a small airplane?

You should know that 1 mole has 6.02 x 10*23 atoms (Avogadro)...so if you have one atom with 4.48 *10-23 g...then 6.02 *10*23 how many??.. try the rule of 3...answer A is 26,9696 g. For answer b, first of all covert the 5000 kg to 5000000 g (you can write 5 x 10*6)..afterwards make the rule of 3.. if 26,9696 g they are in 1 mole, the mass of the plane 5 x 10*6 g... how many moles?.. be careful with g and the kg.!!.. Answer B should be 185393, 92 moles.

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