Ok well I kind of get how to do this as I have an example here and I have to do others...
This one for example is done...but i need help
Determine percentage composition
First you find the formula mass...
Calcium nitrate Ca(NO3)2
Ca 1x40=40
N 2x14=28
O 6x16=96
added all...
I have a quiz over these problems tomorrow different ones i was wondering if i did this right...
Are these correct?
Find the mass of 5.0 moles of phosphorus
(30.97g) x (5.0 moles) =153.5 grams
find the mass of 4.0 moles of zinc
(65.38g) x (4.0 moles) = 261.52 grams
find the...
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