35.453 (chlorine) + 10.811 (boron) = 46.264
Answer:
sodium
Explanation:
sodium is the second most reactive. Magnesium being the least reactive
<span>let x=gallons of current mixture to be drained
and replaced with pure antifreeze.
4-x=gallons of current mixture remaining in the car.</span>
<span>
0.15(4-x)+1.00x=0.50 x 4
0.6-.15x+x=2
0.85x=1.4
x=1.4/0.85 =1.65 gal
Thus, 1.65 gallons of current mixture to be drained and replaced with pure
antifreeze.</span>
I can’t see the choices can you take another picture of this assignment please so i can help you
