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Platinum is a transition metal that forms both +2 +4 ions. Write the formula for the compounds for each of these ions with: c)nitrate ions? How to find the equation of the inverse? H(x) = 3x + 4? Find the center of mass for the system of particles of masses 1, 3, 5, 4 located at (1, 2), (−3, 2), (2, −1), (4, 0).? What is the molecular weight of 595 g of lead (2) nitrite answer in units of g?