Question

$hello \:$


$calculate \: the \: mass \: of \: 2.5 \: g \\ atom \: of \: oxygen.$
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Answer 1

HEYA GE ✌✌✌

# Mole concept

# Easy

Weight/Molecular Mass = Mole

2.5/16 = 0.156 Moles of atom of Oxygen

# Mass is already Defined of Oxygen if You haven't mentioned element than Your Question would be correct...

THANK YOU

Answer 2

Hey !

Please refer the attachment !

Thanks !