Your experiment calls for 500.0 mL of a 1.00 M CaCl2 solution. How many liters of 2.50 M CaCl2 solution do you need to make the solution?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost

What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent? a. combustion b. decomposition c. single replacement d. synthesis