The solubility of potassium nitrate at 12℃ is 20 g/100 g H2O. What would the temperature need to be in order to dissolve double that amount of solute into solution?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided