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14 September, 19:32

How many grams of sucrose (c12h22o11) are in 1.55 l of 0.758 m sucrose solution? express your answer in grams to three significant figures?

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  1. 14 September, 19:51
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    The molecular formula of sucrose is - C₁₂H₂₂O₁₁

    molecular mass of sucrose - 342 g/mol

    molarity of sucrose solution is 0.758 M

    In 1 L solution the number of sucrose moles are - 0.758 mol

    Therefore in 1.55 L solution, sucrose moles are - 0.758 mol/L x 1.55 L

    = 1.17 mol

    The mass of 1.17 mol of sucrose is - 1.17 mol x 342 g/mol = 4.00 x 10² g
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