Which of the following best describes a mixture? *
two or more substances combine and cannot be separated

two or more substances combine chemically

two or more substances combine but keep their physical properties

two or more substances combine and create an irreversible reaction

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.