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How many moles in 40 g …

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How many moles in 40 g of oxygen

    • Posted by Ekta Gupta 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Chahal Chandiok 7 years, 5 months ago

    No of moles = given mass/molecular mass So 40/16*2 ie molecular mass of o² =40/32=5/4 or 1.2 moles

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