An experiment requires a solution that is 80% methyl alcohol by volume. What volume of methyl alcohol should be added to make a 200 mL solution with water? * 100 mL
120 mL
140 mL
160 mL
(show work and no links please)

Each names a given number of objects

Icant see the pictures 

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.