A55 kg women 7.5 x 10 - 3 all off hemoglobin ( molar mass = 64,456 g/mol) in her blood. how many hemoglobin
molecules is this? what is this quantity in grams?

The number of molecules of hemoglobin are and the mass is 483.42 g

Explanation:

We are given:

Moles of hemoglobin =

According to mole concept:  

1 mole of compound contains number of atoms

So, moles of hemoglobin compound will contain = number of molecules.

To calculate the mass of hemoglobin, we use the equation:

Molar mass of hemoglobin = 64456 g/mol

Moles of hemoglobin =

Putting values in above equation, we get:

Hence, the number of molecules of hemoglobin are and the mass is 483.42 g

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in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation: