What is the molarity of a solution of sucrose that has a density of 1.24g/ml and a molecular weight of 342.3g/mol

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  1. g sucrose in 1000 mL of the soln =
    1.24g/mL x 1000 mL = 1240 grams.
    moles = grams/molar mass
    and M = moles/L soln.

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  2. Thank you DrBob222!

    For anyone else with the same problem here is how I did it following the above instructions
    1240g in 1L

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  3. thanks angel. i got this too

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  4. You are allowed 3 significant figures (1.24) so your answer should be 3.6225M which round to 3 s.f. to 3.62 M.

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