6. WHAT DO LENS DO TO LIGHT WAVES? HOW DOES THE SHAPE OF THE LENS AFFECT THE LIGHT?

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Explanation:

There is an easy way to remember how light rays travel through lenses. Light rays passing through a lens always bend toward the thickest part of the lens. Light waves bend toward the thick center in a convex lens. They bend out toward the thick edge in a concave lens.

(1.43 g O2) / (31.99886 g O2/mol) x (6.022 x 10^23 molecules/mol) = 2.69 × 10^22 molecules O2