Hey there!
The molar mass of nitrogen is 14.007.
Convert grams to moles:
21.2 ÷ 14.007 = 1.51
The sample containing 21.2g of nitrogen contains 1.51 moles of nitrogen.
Hope this helps!
D. Lithium or Li has the smallest ionization energy of those listed with an energy of 5,3917.
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The color it produces is Bright green.
The head of the phospholipids molecule is attracted to water, the tail repels water
The force that accelerates objects towards Earth is gravity.
