The mass of 5 moles of an elements X is 60g.calculate the moler mass of this element.name the element.
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Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element in the periodic table. At standard conditions hydrogen is a gas of diatomic molecules having the formula H₂. It is colorless, odorless, non-toxic, and highly combustible.
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Answer:
molar mass of element X is 12 U
Explanation:
since,number of moles= given mass/molar mass
therefore, 5=60/molar mass
molar mass=60/5
molar mass=12U
the element X is *carbon*
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