molar mass of methane CH4
= C + 4 H
= 12.0 + 4 x 1.008
= 12.0 + 4.032
= 16.042g/mol
7.31 x 10^25 molecules x <u> 1 mole CH4 </u> = 121.43 moles
6.02 x 10^23 CH4 molecules
121.43 moles CH4 are present.
Answer:
ok
Explanation:
A. yes
B. they cut down trees
C. the rainforest would be better
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Answer:
atoms have no overall charge. this is because they contain equal numbers of positive protons and negative electrons
