$=1$

$2$

$3$

$4$

$5.$

$6$

$8$

The natural abundances of elements in the human body, expressed as percent by mass, are oxygen $(O),65$ percent; carbon $(C),18$ percent; hydrogen $(H),10.$ percent; nitrogen $(N),3\mathrm{.}0$ percent; calcium $(Ca),1\mathrm{.}6$ percent; phosphorus $(P),1\mathrm{.}2$ percent; all other elements, $1\mathrm{.}2$ percent.

Calculate the mass in grams of each element in the body of a $80kg$ person. Be sure each of your answer entries has the correct number of significant digits.

g O

${10}^{}$

g C

g H

$gN$

gCa

g P

$g$ all other $Q$ G