Calcium phosphide consists of two ions chemically bonded together what are the charges of each ion A. ca^2- and p^3+
B. Ca^3- and p^2+
C. Ca^2+ and p^3-
D. Ca^3+ and p^2-

Where are chemicals found at work? a. only in cleaning products b. only in carpets and paint c. in every area of work d. only in food preparation submit

How many grams of magnesium metal will react completely with 8.3 liters of 5.5 m hcl? show all of the work needed to solve this problem. mg (s) + 2hcl (aq) → mgcl2 (aq) + h2 (g)

The answer for #3 is c but i don't know why