8. How many grams of sodium will have the
same number of atoms
of atoms as 6 grams of
magnesium? (Na = 23, Mg = 24)
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Moles of Mg= 6/24 = 1/4 =0.25 moles
Moles of Mg=Moles of Na
∴ For Na: 0.25= xg/23 23 × 0.25=x g
= 5.75 g
Answer : 5.75g
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