Gases
liquids
plasma
solids
condensates <span />
Answer: OB
Explanation:
The empirical formula of an element is the simplest formula of an element which shows the ratios of atoms of the each element present in a molecule of a compound .
Answer:
The cell potential is 0.0296V
Explanation:
Please see the attachment below
What we are give: Concentration of base (CB) = 3.4 ×
Then convert all volume in ml to L.
Volume of base (VB) 25.0ml = 0.025L
Volume of acid (VA) 16.6ml = 0.0166L
Now that we have everything we use the formula CAVA=CBVB.
Make 'CA' the subject then solve.
CA=
<u> </u> The pH of 0.035 M aqueous aspirin is 2.48
<u>Explanation:</u>
We are given:
Concentration of aspirin = 0.035 M
The chemical equation for the dissociation of aspirin (acetylsalicylic acid) follows:
<u>Initial:</u> 0.035
<u>At eqllm:</u> 0.035-x x x
The expression of for above equation follows:
We are given:
Putting values in above expression, we get:
Neglecting the value of x = -0.0037 because concentration cannot be negative
So, concentration of = x = 0.0033 M
- To calculate the pH of the solution, we use the equation:
We are given:
= 0.0033 M
Putting values in above equation, we get:
Hence, the pH of 0.035 M aqueous aspirin is 2.48