What is the molar mass of cryolite

wt= 3(23)+27+6(18.9)

                       =69+27+113.94

Explanation:

 =209.94 grams

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.

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