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1) find formula mass of C2H42)Find molecular mass of C2H4 |
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Answer» Answer: 1) what's formula mass? 2) MOLECULAR mass = 28g Explanation: 2) Molar mass of C = 12u molar mass of H = 1u => C2H4= 12×2 + 1×4 = 24 + 4 = 28 g |
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