(c) In the core of the modern Sun, the density is about 1.25 x 105 kg/m³. What is the concentration of hydrogen (in moles/m³) in the Sun's core, if the abundance of hydrogen is equal to the value shortly after big bang (i.e. 75% of the mass)? Convert your concentration to units of atoms/m³.
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Plz solve within 30min I vill give definitely upvote and vill give positive feedback thank you sir
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