½ teaspoon of calcium chloride, and about 1 teaspoon of baking soda in their labeled cups for each group. Make the indicator solution for student groups: Prepare a dilute universal indicator solution ...

Calcium chloride was associated with “shorter life ... Researchers studied Daphnia pulex, a zooplankton also known as the ...

Most molecular covalent substances are insoluble in water. None required. Hydrogen chloride (HCl) has a melting point of -114 o C. This is much lower than the melting point of calcium chloride ...

A little water helps expose the sodium so it can react with the ... The positive and negative ions attract each other and form the ionic compound sodium chloride. One calcium and two chlorine atoms ...