Answer:
density equals weigt divided by volume
Explanation:

Answer:
Electrical force can pull and push
Explanation:
D I have a good feeling about d
It is an example of a molecule
<em>m Na₂CO₃: 23g×2 + 12g + 16g×3 = 106 g/mol</em>
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1 mol ------- 106g
X ------------ 10,6g
X = 10,6/106
<u>X = 0,1 mol Na₂CO₃</u>