Unit 7, lesson 2 chemistry b final exam 1h 45 min, 59 questions connections academy i’m really stressed and need , so if anyone can drop the answers, that would be very much appreciated : )

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3