What is the molarity of an HCl solution if 50.0 mL is neutralized in a titration by 40.0 mL of 0.4000 M NaOH? a 0.20 M b 0.50 M c 0.32 M d 0.20 M

A3.5 gap gps and your masters degree

Answer is to avoid experimental error

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.