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Find the total number of atoms in 2.0 moles of calcium nitrate?.. HELP PLEASE
some chemistry help please.........and i know someone just made a thread about chem. help but it dosent help me.......
alright so for this problem ......Find the total number of atoms in 2.0 moles of calcium nitrate?...... i got 272.06 atoms in 2 moles of Ca(NO3)2........why is this wrong?
Draft Beer, Not Soldiers [/i][/i]
its 1.0836 * 10^25.
there are 9 atoms per calcium nitrate molecule (1 calcium, 2 nitrogen, 6 oxygen). each mole has 6.02 * 10^23 molecules. two moles. multiply them.
use the chemistry thread!
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