1. Stoichiometric relationships (1)

For each question choose the answer you consider to be the best.1. How many molecules are present in 27.0 g of distilled water? (Avogadro’s constant = 6 x 1023 mol-1)A. 2.7 x 1024B. 1.5C. 9.0 x 1023D. 4.52. What amount of carbon dioxide (in mol) will be formed when 32.0 g of methane, CH4, burnscompletely in oxygen?A. 1.0B. 2.0C. 4.0D. 8.03. How many oxygen atoms are present in 0.5 mole of pentahydrated copper(II) sulfate,...

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