Ptotal = P1 + P2 + P3 +…………. Pn. Is an expression of law? by Sunday | Apr 17 | Chemistry NECO | 0 comments A. Boyle’s B. Charles’ C. Dalton’s D. Graham’s E. Gay Lussac’s Correct Answer: Option C – Dalton’s Users Also Read These:Quelle est la lecture normale de cette expression?L'expression au revoir a combien de syllables?Albinism is an expression of a trait controlled by?An overused expression is a/an?Quelle est la liason correcte de cette expression?