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How to calculate the moles of ice added and melted to 150 mL of water?

Friday Oct 23,2009 04:15 AM
By diddy
In Others

I had to perform a calorimetry experiment which involved adding a large ice cube to 150 mL of water that was heated to 70 degrees Celsius. How do I go about calculating the moles of ice added to the water? What about the moles melted?

Any help would be much appreciated. I am lost!

Calorimetry Experiment, Celsius, Ice Cube, Ml, Moles

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2 Comments

Jason says:

October 23, 2009 at 4:15 am

the moles of ice added to the water will be the same as the moles melted.

To find this all you need to do is take your
(final volume of water in mL) - (150 mL of water) = x mL of water added

Find the number of moles of water added = moles of ice added
x mL * 1 g/mL (density of water) = x grams
x g / 18.02 g/mol (molar mass of water) = x moles of water melted and ice added.

They will both be the same number assuming the only ice in the container is the ice added.
jay m says:

October 23, 2009 at 4:15 am

you will use the density of water to calculate the moles and water has a density of 1.0g/ml.