Question

calculate the number of grams of oxygen in 0.5 mole of na2co3 ( no spam answer only when you know) ​

Answer 1

1 mole of Na2co3=106g

1 mole of 2 Na,1c,3o2

1 mole of 6g Na,12 gc ,48gO2

No of moles of o2 in 1 mole Na2co3=48/16

1mole Na2co3=48/16=24/8=12/4=3

x mole Na2co3=0.5 mole o2

0.5=3x

x=0.5/3

= 5/30

=1/6

=0.16

Answer 2

#Answered@C29

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