Oblicz zawartosc procentowa metali w a) weglanie sodu, b) fosforanie V wapnia.
CaCO3-wzórmCa=40gmC=12g3mO=3*16g=48gmCaCO3=mCa+mC+3*mO=40g+12g+3*16g=52g+48g=100gWapńCpCa=40g*100%/ 100gCpCa=40%WęgielCpC=12g*100%/100gCpC=12%Tlen:48g*100%/100g=48%
Ca3( PO4)2 - wzór
3*40+2*31+8*16=310 u
Wapń:
CpCa = 120/310*100%=38,7%
Fosfor:
CpP=62/310*100%=20%
Tlen:
CpO= 100%- 58,7=41,3%
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CaCO3-wzór
mCa=40g
mC=12g
3mO=3*16g=48g
mCaCO3=mCa+mC+3*mO=40g+12g+3*16g=52g+48g=100g
Wapń
CpCa=40g*100%/ 100g
CpCa=40%
Węgiel
CpC=12g*100%/100g
CpC=12%
Tlen:
48g*100%/100g=48%
Ca3( PO4)2 - wzór
3*40+2*31+8*16=310 u
Wapń:
CpCa = 120/310*100%=38,7%
Fosfor:
CpP=62/310*100%=20%
Tlen:
CpO= 100%- 58,7=41,3%