Answered

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What is the mass of [tex]\( \text{CO}_2 \)[/tex] in atomic mass units?

A. 22 amu
B. 28 amu
C. 12 amu
D. 44 amu

Sagot :

GinnyAnsweridn
To find the mass of [tex]\( CO_2 \)[/tex] (carbon dioxide) in atomic mass units (amu), we need to consider the atomic masses of the constituent atoms and the composition of the molecule.

1. Identify the atomic masses:
- Carbon (C) has an atomic mass of approximately 12 amu.
- Oxygen (O) has an atomic mass of approximately 16 amu.

2. Determine the composition of [tex]\( CO_2 \)[/tex]:
- [tex]\( CO_2 \)[/tex] consists of one carbon atom and two oxygen atoms.

3. Calculate the total mass of [tex]\( CO_2 \)[/tex]:
- The mass contributed by the carbon atom is 12 amu.
- The mass contributed by the oxygen atoms is [tex]\( 2 \times 16 \)[/tex] amu, which is 32 amu.

4. Add the atomic masses:
- The total mass of [tex]\( CO_2 \)[/tex] is [tex]\( 12 + 32 = 44 \)[/tex] amu.

Hence, the mass of [tex]\( CO_2 \)[/tex] is 44 amu. Therefore, the correct answer is:
D. 44 amu
Ciana12yrzidn
The correct mass is 44 amu Calculated & Studied
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