Ca=40,O=16,H=1 .find the molecular mass
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Answered by
4
Answer:Ca(OH)2= 40+16+1=57
Explanation:
Answered by
5
Formula of calcium hydroxide = Ca(OH)2
No. of atoms of calcium = 1
No. of atoms of oxygen = 2
No. of hydrogen = 2
Therefore mass of calcium hydroxide
= 40u + 2 x 16u + 1 x 2u
= 40u + 32u + 2u
= 74u
So molecular mass of calcium hydroxide is 72u.
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