<span>The concentration of the reactant decreases as it is consumed.</span>
Explanation:
A mole is the amount of matter or substance that contains the Avogadro's number of particles.
1 mole of a substance = 6.02 x 10²³ atoms
Now solving:
a:
1.2 x 10² atoms ;
Number of moles = = 2.0 x 10⁻²¹moles
b:
3.87 x 10²¹ molecule:
Number of moles = = 6.4 x 10⁻³moles
c. 4.81 x 10¹⁴ molecules:
Number of moles = = 8.0 x 10⁻¹⁰moles
Number of molecules = number of atoms = formula units
learn more:
Number of moles brainly.com/question/1841136
#learnwithBrainly
Answer:A. Both animals and plants have changed over time.
Explanation:
Because plants and animals go through adaptations.
The general formula for cycloalkanes is <span>CnH2n .
Now when two cycloalkanes are joined 2 Hydrogens have to be removed.
So, answer to the above question will be
</span>
Answer:
。 • ゚ 。 .
. . 。 。
. 。 ඞ 。 . •
゚ you are the Impostor. 。 .
' 0 Impostors remain 。
゚ . . , . .
Explanation: