1.

1) find formula mass of C2H42)Find molecular mass of C2H4​

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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