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Topic: Molarity  (Read 1570 times)

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Offline BLEhBleh

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Molarity
« on: February 14, 2015, 12:01:25 PM »
I have 0.04 mol.
I need to calculate the molarity of my solution (100mL of water and 2.50g of NaCl)
0.04/100mL+2.5g
=0.00039024
Is this correct?
« Last Edit: February 14, 2015, 12:47:04 PM by BLEhBleh »
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Offline billnotgatez

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Re: Molarity
« Reply #1 on: February 14, 2015, 12:33:10 PM »
Quote from: BLEhBleh on February 14, 2015, 12:01:25 PM
I have 0.04 mol.
I need to calculate the molarity of my solution (100mL of water and 2.50g of NaCl)

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Offline themonk

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Re: Molarity
« Reply #2 on: February 14, 2015, 03:07:14 PM »
You need to be a bit more specific about your units. You have 0.04 moles of what? What is 0.00039024?

Molar concentration is usually moles per litre (c=n/V). What is the molecular weight of NaCl and H2O?
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