Answer:
D. a solution made by mixing 100 mL of 0.100 M CH3COOH and 50 mL of 0.100 M NaOH
Explanation:
Buffer solutions are the solutions which can resist the change in the pH up to some extent.
The pH of a buffer solution can be measured by the equation known as Henderson–Hasselbalch equation.
pH=pKa+log[base]/[acid]
Buffer solutions are the solutions of either weak acid and conjugate base of it or weak base and conjugate acid of it.
Hence, a weak acid and a strong base can result in weak acid and it's conjugate and can acts as a buffer.
Option D is correct.
Answer:
CO2
Explanation:
It is Carbon Dioxide that has its carbon atom covalently bound to 2 oxygen atoms.
Answer:
distance with a negative value just means that it's going in the opposite direction.
Explanation:
example: -50m East is the just 50m west
Answer: It would be Metalloid
Explanation: I took a test about this and I remember that it was Metalloid.
P.S. Can you tell me if I was right or wrong. Thx