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prozorovake
@prozorovake
August 2021
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Вычислите массовые доли элементов в дигидрофосфате кальция Са(Н2 РО4)2
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krioira
M(Са(Н2РО4)2) = 40+4*1+2*31+8*16 = 234
W(Ca)=40/234=0.17=17%
W(H)=4/234=0.02=2%
W(P)=62/234=0.26=26%
W(O)=128/234=0.55=55%
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Answers & Comments
W(Ca)=40/234=0.17=17%
W(H)=4/234=0.02=2%
W(P)=62/234=0.26=26%
W(O)=128/234=0.55=55%