Answer:
you divide 71.5 by 2
Explanation:
it's may look intimidating but the question is actually really simple.
Answer: true
salt water 97%
fresh water 1%
frozen 2%
[peirod4
First find the mass
44.1 ml @ 1.55 g/mL = 68.355 grams of Ca
the equation
Ca + O2 → CaO
= 55 grams of O2
