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cairogirl cairogirl
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11 years ago
How can I calculate the number of coulombs of positive charge in 450 cm3 of (neutral) water.
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11 years ago
Try to calculate the number of protons in 450 cc of water, then multiply this by the charge of a proton.  

One molecule of water is H20, and you have the volume and density of water, so from that you can get its mass.  Avogadro's number will probably be needed at some point.
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