Posted by rachel on Tuesday, October 26, 2010 at 6:13pm.
You can go through kg to moles and back to grams and kg but thre is an easier way to do that is no longer taught in schools. I wish they did. I've used it my entire career.
To convert Pb to PbCO3.
4500 kg Pb x (factor) = ?? g PbCO3
Just make the factor (it works the same way as converting lbs to ounces or grams).
4500 kg x (molar mass PbCO3/molar mass Pb) = ?? kg PbCO3.
4500 kg Pb x (molar mass PbSO4/molar mass Pb) = ?? kg PbSO4
The atio of molar mass X/molar mass Y is called the chemical factor.
thank you so much. you explain things really well!
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