Haemoglobin $(C_{2952}H_{9664}N_{812}O_{832}S_8Fe_4)$ is oxygen carrier. If a person has $5L$ blood and each mL of blood has $5\times 10^9$ R.B.C and each R.B.C has $2.8\times 10^8$ haemoglobin molecules, then how many grams of haemoglobin is present in the body of that person?

Question

$\begin{array}{1 1}(a)\;756.8g&(b)\;75.68g\\(c)\;1531.7g&(d)\;153.1g\end{array}$