CO
Mco= 12+16=38 g
38 g CO ..... 12 g C ......16g O
100g CO...... x .......y
x=[tex] \frac{100 * 12}{38} [/tex]= 31,57 la suta C
y=[tex] \frac{100 * 16}{38} [/tex]=42,1 la suta O
CaSO4
MCaSO4= 40+32+ 4*16=136 g
136 g CaSO4..... 40 g Ca ......32g S.......64 g O
100g CaSO4 .........x ........y ........z
x=[tex] \frac{100 * 40}{136} [/tex]= 29,41 la suta Ca
y=[tex] \frac{100 * 32}{136} [/tex]= 23,52 la suta S
z=[tex] \frac{100 * 64}{136} [/tex]= 47,04 la suta O
H3PO4
MH3PO4= 1*3 + 31 + 16*4 =98g
98 g H3PO4..... 3g H ......31g P.......64 g O
100g H3PO4 .........x ........y ........z
x=[tex] \frac{100 * 3}{98} [/tex]= 3,06 la suta H
y=[tex] \frac{100 * 31}{98} [/tex]= 31,63 la suta P
z=[tex] \frac{100 * 64}{98} [/tex]=65,30 la suta O
