Chemistry Question?

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The gram molecular mass of CO2 (The two is put below the "O") is the same as the gram molecular mass of:

A. SO2 (2 is below the "O" letter)
B. CO
C. C2H6 (Both numbers below the letters)
D. C3H8 (Both numbers below the letters)

2007-03-07 16:52:06 · 2 answers · asked by Kevin Lee 1 in Education & Reference ➔ Homework Help

2 answers

Mass of C = 12
Mass of O = 16
Mass of H = 1

Gram molecular mass of CO2: 12 + 16 + 16 =44

C3H8 = 12 + 12 + 12 + 8 = 44

In other words, D.

2007-03-07 16:57:59 · answer #1 · answered by Jin 3 · 0⤊ 0⤋

CO_2_ moleculaar mass =44
C_3_H_8_ molecular mass = 44
use the periodic table buddy

2007-03-08 01:01:30 · answer #2 · answered by Antics 2 · 0⤊ 0⤋