oblicz zawartosc procentowa ((procent masowY) fosforu w kwasie fosforowym (V)
H3PO4
masa: 3+31+64=98u
P: 31/98 x 100%=31,6%
kwas fosforowy V - H3PO4mH3PO4= 98g mP= 31g 91g --- 100%
31g --- x % x= 3100%/91≈34% Pozdrawiam, kate66 ;)
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H3PO4
masa: 3+31+64=98u
P: 31/98 x 100%=31,6%
kwas fosforowy V - H3PO4
mH3PO4= 98g
mP= 31g
91g --- 100%
31g --- x %
x= 3100%/91≈34%
Pozdrawiam, kate66 ;)