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gardasevichk
@gardasevichk
August 2022
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Обчисліть масову частку елементів у крейді СаСо3
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anastasia080717
Mr(CaCo3)=Ar(Ca)+3Ar(Co)=40+177=217
w=Ar x n
--------
Mr(CaCo3)
w=40 x 1
-------- x 100%=40%
217
w=59 x 3
-------- x 100%=177%
217
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Answers & Comments
w=Ar x n
--------
Mr(CaCo3)
w=40 x 1
-------- x 100%=40%
217
w=59 x 3
-------- x 100%=177%
217