An average person (let's say one that weights 70 kg) has about 5.5 liters of blood (that's a little more than 160 ounces or 1.2 to 1.5 gallons). Other way of saying this is : about 7% of body weight.
The element that is likely to form a ionic bond with potassium is Cl (answer A)
<em><u>Explanation</u></em>
Ionic bond - is a bond formed when a metal and a non metal react.
Metal loses electron ( donate electrons) while non metal gains electrons ( accept electrons) to form ionic bond.
potassium is a metal while Chlorine(Cl) is a non metal. They react to form an ionic bond by potassium donating 1 electron while chlorine accept 1 electron.