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August 20, 2014

Homework Help: chem

Posted by Mary on Monday, April 16, 2007 at 5:28pm.

can someone plz help me with this?

What mass of sucrose (C12H22O11) must be dissolved to make 460 mL of a 1.10M solution?

thanks

concentration= molessolute/volume

moles solute=conc*volume

massSolute/molmassSolute=conc*volume
masssolute=conc*volume*molmassSolute

volume is in liters, mass in grams, molmass in grams, concentration in Molarity.

are you telling me I have to find this one?:masssolute=conc*volume*molmassSolute

I got an answer of 173.2g doing it another way. Is that right?

nevermind, i found the answers in the back of the book and i'm right

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