I NEED THIS ANSWER A.S.A.P
2 answers:
You might be interested in
<u>Answer:</u> The equilibrium concentration of HCl is
<u>Explanation:</u>
We are given:
Moles of = 0.564 moles
Volume of vessel = 1.00 L
Molarity is calculated by using the equation:
Molarity of
The given chemical equation follows:
<u>Initial:</u> 0.564
<u>At eqllm:</u> 0.564-x x x
The expression of for above equation follows:
The concentration of pure solid and pure liquid is taken as 1.
We are given:
Putting values in above equation, we get:
Negative sign is neglected because concentration cannot be negative.
So,
Hence, the equilibrium concentration of HCl is
Answer:
1.5 x 10²²atoms
Explanation:
Given parameters:
Mass of Br = 1.98g
Unknown:
Number of atoms
Solution:
A mole of a substance is the amount of substance contained in the avogadro's number of particles.
To solve this problem, we must first find the number of moles present in the given mass of the Br atom:
Number of moles = =
= 0.025mole.
Now we know that:
1 mole = 6.02 x 10²³
0.025 mole = 0.025 x 6.02 x 10²³ = 1.5 x 10²²atoms