What are some ways population size is limited within an ecosystem?
1 answer:
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Answer : The correct option is, (A) 51.1%
Explanation :
Mass percent : It is defined as the mass of the given component present in the total mass of the compound.
Formula used :
First we have to calculate the mass of and
.
Mass of = 18 g/mole
Mass of = 7 × 18 g/mole = 126 g/mole
Mass of = 246.47 g/mole
Now put all the given values in the above formula, we get the mass percent of in
.
Therefore, the mass percent of in
is, 51.1%