Well the answer to number 1 is definitely B
number 2 is B
number 3 is D
Number 4 is C
Hope this helps:)
Answer:
Fonts for Android and iPhone - www.fontskeyboard.com/share-now
Explanation:
☀︎︎☹︎♫︎☹︎♫︎
The pH meter can only be used to differentiate between weak and strong acids providing that the concentrations are known. However, it is convenient to determine the concentration of an acid (or base) by titration.