1. to calulate the molarity of a solution, you need to know the moles of the solute and the?
a) volume of the solvent
b) volume of the solution
c) mass of the solution
d) volume of the solute
2. which of the following food would not taste acidic?
a) lime
b) tomato
c) orange
d) celery
3. that salt that is formed during the reaction between potassium hydroxide and hydrochloric acid is?
a) hydroxide ions in solution
b) hydrogen ions in solution
c) hydronium ions in solution
d) sodium in solution
you in advance! < 3

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative