An individual suffering from a high cholesterol level in her blood has 245 mg of cholesterol per 100 mL of blood. If the total blood volume of the individual is 5.2 L , how many grams of total blood cholesterol does the individual's body contain?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture