Required solvent-to-feed ratio in countercurrent extraction in a countercur rent, equilibrium staged extractor with four equilibrium stages, determine the necessary ratio of extract to feed (sf) to purify bioproduct a to 90% purity from contaminant b. the feed contains two components, 60% a and 40% b, and the partition coefficients are k 13.0 and k-1.

is it a purebred? it looks more like a red nose, but it doesn't have the red could it be a staffordshire bull terrior? unsure if that's the right name for it sorry

the answer to your question is c

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!