Question

1.Calculate the mass% of each element in:    a.table sugar C12H22O11                b.sodium carbonate 2.How many moles,...

1.Calculate the mass% of each element in:

   a.table sugar C12H22O11                b.sodium carbonate

2.How many moles, formula units, and oxygen atoms are in the following ionic

compounds?

a.23.0 g of sodium carbonate

b.0.50 g of ammonium nitrate

3.Calculate the number of moles and molecules present in

  

a.22.0 g of chlorine

b.13.22 g of methane (CH4)

4.Calculate the mass in grams of

a.one carbon atom

b.22.012 x 1011 molecules of NO2

c.222.5 mol of zinc

Please help me with these problems!

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