The resulting chemical reaction produces a gas, causes a color change with an indicator, and results in a decrease in temperature. Students then carry out a second reaction with calcium chloride and ...

To calculate this, work out the formula of calcium chloride then add all the mass numbers together. One mole of calcium chloride has a mass of 111 g.

Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound sodium chloride. One calcium and two chlorine atoms are ...

Sodium chloride, calcium chloride, lithium chloride, potassium chloride, copper(II) sulfate (1 g per salt per group) Concentrated hydrochloric acid (teacher to control and dispense small ...