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Sagot :
diatomic hydrogen is written as H2 (2.02 grams H2) <------- if each hydrogen atom is 1.01 grams, then two hydrogen atoms are 2.02 grams 2.0 moles H2 X 2.02 grams H2 ------------- (divide to cancel moles) = 4.04 grams/mole H2 ÷ one mole = 4.04 grams H2
Explanation:
A diatomic molecule is defined as the molecule which contains two atoms.
For example, a [tex]H_{2}[/tex] molecule has two atoms of hydrogen.
Molar mass of a [tex]H_{2}[/tex] molecule is 2.0 g/mol. Therefore, calculate the mass of 2.0 moles of diatomic hydrogen as follows.
No. of moles = [tex]\frac{mass}{\text{molar mass}}[/tex]
2.0 mol = [tex]\frac{mass}{2.0 g/mol}[/tex]
mass = 1 g
therefore, we can conclude that total mass of 2.0 moles of diatomic hydrogen is 1 g.
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