The ksp of calcium phosphate ca3(po4)2 is 1.3 × 10-32 at 25°c. what is the solubility of ca3(po4)2 in moles/liter in a 0.20 molar solution of na3po4?

a.
2.3 × 10-11 moles/liter
b.
4.3 × 10-13 moles/liter
c.
2.3 × 10-32 moles/liter
d.
1.3 × 10-32 moles/liter

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.