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1. Stoichiometric relationships (2)

For each question choose the answer you consider to be the best.1. What amount of atoms, in mol, is present in 128 g of sulfur dioxide? (Avogadro’s constant = 6 x 1023 mol-1)A. 1.2 x 1024B. 3.6 x 1024C. 2D. 62. Which is the correct expression for converting the mass of a substance in grams to theamount in moles?A. mass ÷ molar massB. 1 ÷ molar mass

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