1. What are the values for the pH, POH, [H+], and [OH-] for a solution made by mixing 10 mL of 1.5 HCl (a strong acid) with 10 mL of 1.2 M NaOH (a strong base)? (Hint: Determine the volume for the equivalence point first and then figure out if you are before or after the equivalence point)​

b is the correct answer

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ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.