Multiple Choice Questions 1. Which of the following statement best describes an atom? A. Protons and electrons are grouped toget
her in a random pattern. B. Protons and electrons are grouped together in an alternating pattern C. A core of protons and neutrons surrounded by electrons. D. A core of electrons and neutrons surrounded by protons. 2. Table 5.10 shows the atomic mass of four stable isotopes of an element X. 119
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Answer : The number of iron atoms present in each red blood cell are,
Explanation :
First we have to calculate the moles of iron.
Now we have to calculate the number of iron atoms.
As, 1 mole of iron contains number of iron atoms
So, 0.0519 mole of iron contains number of iron atoms
Now we have to calculate the number of iron atoms are present in each red blood cell.
Number of iron atoms are present in each red blood cell =
Number of iron atoms are present in each red blood cell =
Number of iron atoms are present in each red blood cell =
Therefore, the number of iron atoms present in each red blood cell are,