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vikastabrova
@vikastabrova
October 2021
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Помогите пожалуйста!!!!!!!!!!!
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Mawansui
Mr(HNO3) = 1 + 14 + (16*3) = 63
w(H) = 1 / 63 * 100% = 1 %
w(N) = 14 / 63 * 100% = 22 %
w(O) = 48 / 63 * 100 % = 76 %
Mr(CaCO3) = 40 + 12 + 16*3 = 100
w(Ca) = 40 / 100 * 100 = 40%
w (C) = 12 / 100 * 100 = 12%
w (O) = 48 / 100 * 100 = 48 %
1 votes
Thanks 1
vikastabrova
Это знак разделить или что это? /
Pro100zWz
Mr(HNO3)=1+14+16*3=63
w(H)= (1*1)/63=1.6%
w(N)=(14*1)/63=22.2%
w(O)=(16*3)/63=76.2%
Mr(CaCO3)=40+12+16*3 = 100
w(Ca)=40/100= 40 %
w(C)=12/100=12%
w(O)=16*3/100=48%
0 votes
Thanks 0
vikastabrova
Это знак разделить? /
Pro100zWz
lf
Pro100zWz
да
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Answers & Comments
w(H) = 1 / 63 * 100% = 1 %
w(N) = 14 / 63 * 100% = 22 %
w(O) = 48 / 63 * 100 % = 76 %
Mr(CaCO3) = 40 + 12 + 16*3 = 100
w(Ca) = 40 / 100 * 100 = 40%
w (C) = 12 / 100 * 100 = 12%
w (O) = 48 / 100 * 100 = 48 %
w(H)= (1*1)/63=1.6%
w(N)=(14*1)/63=22.2%
w(O)=(16*3)/63=76.2%
Mr(CaCO3)=40+12+16*3 = 100
w(Ca)=40/100= 40 %
w(C)=12/100=12%
w(O)=16*3/100=48%