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Glendale, CA
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5 per group. person x = 1st person meeting everyone x - 1, x - 2, x - 3, x-4 (no x - 5 because he/she is 5th person). Meeting count:4 second person meeting everyone = y y - 1, y -2, y - 3, (no y -4 or y - 5 because he/she already met with person x and
1.60 g SO2 x molar mass of SO2 (1 mole/ 64.06g) = # moles of SO2 x 6.02e23 molecules/ 1 mole SO2 = #molecules of SO2
