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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

What causes the appearance of lines in a emission spectrum