Solubility curve ? 5 questions.

1.which solute is the most soluble at 30degreesc?
question 1 options:

nacl

nh3

nano3

kno3

2.which solute is the most soluble at 70c?
question 2 options:

nacl

nh3

nano3

kno3

3.at what temperature do nh4cl and na2so4 have the same solubility?
question 3 options:

380c

400c

430c

450c

4.how many grams of kno3 will dissolve in 100 g of water at 30c?
question 4 options:

38 grams

40 grams

42 grams

44 grams

5.60 grams of kno3 is dissolved in water. the temperature of the water is 30degreesc. using the graph, determine if this solution is…
question 5 options:

unsaturated

saturated

supersaturated

cannot be determined

graph in pics.