0.10 M potassium chromate is slowly added to a solution containing 0.40 M AgNO3 and 0.40 M Ba(NO3)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate? The K sp for Ag2CrO4 and BaCrO4 are 1.1 × 10-12 and 1.2××10-10 respectively

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?