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Reptile [31]
3 years ago
7

Which natural resource is limited in supply?

Chemistry
2 answers:
Dominik [7]3 years ago
8 0
It’s b; petroleum , since it’s an oil i’m pretty sure , which is limited
denpristay [2]3 years ago
3 0

Answer:

The correct answer is the lasf one solar energy

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fomenos
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How many atoms of sodium are in 3.80 mol of sodium, Na?
vova2212 [387]

Answer:

2.29 × 10²⁴ atoms Na

Explanation:

Step 1: Define

Avagadro's Number: 6.02 × 10²³ atoms, molecules, formula units, etc.

Step 2: Stoichiometry

3.80 \hspace{3} mol \hspace{3} Na(\frac{6.02(10)^{23} \hspace{3} atoms \hspace{3} Na}{1 \hspace{3} mol \hspace{3} Na} ) = 2.2876 × 10²⁴ atoms Na

Step 3: Simplify

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