Solid potassium hydroxide is slowly added to 75.0mL of a 0.176 M Melanesian acetate solution until the concentration of hydroxide ion is 0.0410 M. The percent of magnesium ion remaining in the solution is?

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.