calculate the number of molecules in IIT gram of Oxygen gas and number of moles in 52 gram of helium (Atomic O=16 ,H=4u
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Answer:
number of moles = given mass/molecular mass
=> molecular mass of helium is 4u
=> given mass is 52grams
=> so,
=> number of moles = 52/4
=>13 moles
Explanation:
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