a)Calculate molecular mass of MgCl2 1.snu (Mg =24, C1=35.5)
atomic mass
b)Calculate no of moles in 5.6g of nitrogen (atomic mass= 14)
c)Derive chemical formula of Aluminium oxide.
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3
Answer:
Btw the atomic mass of nitrogen is 28
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Explanation:
The atomic mass of magnesium is 24 u, whereas chlorine has the atomic mass 35.5 u. Therefore, the formula unit mass of magnesium chloride is 95 u. The correct option is B.
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