2.A compound is and found to consist of 49.0% carbon 2.7% hydrogen and 48.2% ch

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2.A compound is and found to consist of 49.0% carbon 2.7% hydrogen and 48.2% chlorine. If the molar mass is 150g/mol what is the molecular formula of the compound?

May 27th, 2015

a.  C49.0H2.7Cl48.2

b.  C(49.0 ÷ 12.01)H(2.7 ÷ 1.01)Cl(48.2 ÷ 35.45)

c.  C4.08H2.67Cl1.36

d.  C(4.08 ÷ 1.36)H(2.67 ÷ 1.36)Cl(1.36 ÷ 1.36)

e.  C3H2Cl

f.  MM C3H2Cl = (3 x 12.01) + (2 x 1.01) + 35.45 = 73.5 g/mol

g.  150 g/mol ÷ 73.5 g/mol ≈ 2

h.  (C3H2Cl) x 2 = C6H4Cl2

answer = C6H4Cl2

May 27th, 2015

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