What would be the observation when pineapple juice is dipped in a red litmus paper​

Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

Compare and contrast refraction of light and sound will give brainliest

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~