A 5.71 g of an unknown metal sulfate with formula M2SO4, was dissolved in water and treated with excess aqueous barium nitrate, resulting in the precipitation of all the sulfate ions as barium sulfate. The precipitate was collected, dried, and found to weigh 3.68 g. Determine the atomic mass of M, and identify M

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Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?