The chemical formula for potassium bromide is KBr . A chemist determined by measurements that 0.010moles of potassium bromide participate in a chemical reaction. Calculate the mass of potassium bromide that participates. Be sure your answer has the correct number of significant digits.

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why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.