2. A chain of platinum (Pt) is made of 8.23 x 1024 atoms of platinum. Find the mass of the chain in grams.

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Which terms are used to identify pure substances