Which compound is saturated with 60 grams at 40 degrees Celsius using the information in the graph?​

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid