Stephanie has been doing research on how petroleum is formed. She says that oxygen must be present while the tiny plants and ani
2 answers:
You might be interested in
The concentration of hydroxide ion is 5 10^
−
14 M.
<u>Explanation:</u>
Consider the equilibrium of this acid's dissociation,
H C l O 4 ⇌ H + + C l O 4 -
Moreover, let's assume that H C l O 4 is a strong acid and will fully dissociate.
Hence,
[ H + ] = 0.20 M
Now, recall,
K
w = [
H
+
]
[
O
H
−
] = 1.0 10
^−
14
Hence,
⇒
[
O
H
−
] = K
w / [
H
+
] = 5 10^
−
14 M.
Answer:
<h3>The answer is 5.0 g/mL</h3>Explanation:
The density of a substance can be found by using the formula
From the question
mass = 10 g
volume = 2 mL
We have
We have the final answer as
<h3>5.0 g/mL</h3>Hope this helps you