Asolution has a pb2+ concentration of 1.9 x 10-3 m, and an f-1 concentration of 3.8 x 10-3 m. the value of ksp for pbf2 at room temperature is 4 x 10-8. will this solution form a precipitate? yes or no

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '