3.James mixed added 25 grams of solute with 75 grams of solvent. Then he calculated the concentration of the solution as: What error did James make in his calculation? What is the correct concentration of this solution?

Woah that’s a lot to read xd i’ll try though. i’ll get back t you if. i know the andwer

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts