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Deepika Asked a Question
April 9, 2020 10:59 ampts 20 pts
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A reference material is required to be prepared with 4ppm calcium. the amount of caco3 (molecular weight = 100) required to prepare 1000g such a reference mater

a reference material is required to be prepared with 4ppm calcium. the amount of CaCO3 (molecular weight = 100) required to prepare 1000g such a reference material is
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  • Eduncle thankyou

    Dear Deepika, 

    Greetings!!

    4 ppm Calcium means 4000 μg Calcium. So in CaCO3 
    40 gm Calcium is present in 100 gm CaCO3, so 4000 μg Calc...

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