10. How many atoms of hydrogen are there in 2 moles of NH3?
a. 5 x 1023 atoms
b. 3.01 x 1023 atoms
C. 3.61 x 1024 atoms
d. 4x 1023 atoms​


Sagot :

Solution:

[tex]\text{number of H atoms = 2 mol NH₃} × \frac{\text{3 mol H}}{\text{1 mol NH₃}} × \frac{\text{6.022 × 10²³ H atoms}}{\text{1 mol H}}[/tex]

[tex]\boxed{\text{number of H atoms = 3.61 × 10²⁴ atoms}}[/tex]

Answer:

The answer is C. 3.61 × 10²⁴ atoms

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