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How many grams are in 4.254*10^18 molecules of water? Draw and name the geometry of SF2 molecule. Does SF2 molecule have the same geometry as H2S? Explain your answer.? If f(x)= x squared + 7x, find f(k+2).? Calculate the number of sucrose molecules (table sugar, C12H22O11) in a 0.85 cm^3 sugar cube weighing 3.25 grams? What is the probability of selecting a jury of all students?