Answer: 0.0250
Explanation: 10 X 0.0750 = .75
.75 / 30 = 0.0250 M
Answer:
The first question is option 2
and the second question in option 1
Explanation:
Answer:
Explanation:
A homogenous mixture is a mixture is the same throughout. Some examples are clean water, milk, oil, and food colouring.
The correct option is B.
A buffer refers to an aqueous solution which resist changes in pH when acids or bases are added to it. Also addition or removal of water from a buffer system does not change the pH of the system significantly. Buffers typically are made up of pairs of weak acid and their conjugate base or pairs of weak base and their conjugate acids. Maintaining the ideal pH is very important in living organisms, blood buffers help living organisms to maintain constant blood pH.
Answer:I would have to say d because isn’t that what they make phones out of and it has to be safe right ?
Explanation: