14. Using the average atomic masses given in the inside front cover of this book, calculate the
number of moles of each element in samples
with the following masses.
a. 26.2 g of gold
b. 41.5 g of calcium
c. 335 mg of barium
d. 1.42 1 023 g of palladium
e. 3.05 1 025 mg of nickel
f. 1.00 lb of iron
g. 12.01 g of carbon

How many grams of aluminum will there be in 98g of al2o3?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12