If a sample of sucrose (C12H22O11) weighs 90. mg, then calculate the number of oxygen atoms in this sample.
Added by Salvador T.
Step 1
Given mass of sucrose = 90 mg = 90 x 10^-3 g Molar mass of sucrose (C12H22O11) = 342.3 g/mol Number of moles of sucrose = Mass / Molar mass Number of moles of sucrose = 90 x 10^-3 g / 342.3 g/mol Number of moles of sucrose ≈ 2.63 x 10^-4 mol Show more…
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