Oblicz ile moli stanowi 10g H3PO4

1mol H3PO4 ------ 98g x ------ 10g x=0,102 mola

MH3PO4=1g×3+31g+16g×4=97g 1 mol =97g x moli =10g x= 10÷97≈0,1 mola 10g H3PO4 to 0,1 mola

MH₃PO₄=3+31+64=98g 1mol - 98g xmol- 10g 98x=10 x=0,102mol