鐵元素質(zhì)量分?jǐn)?shù)為56%
可以得出:FeO鐵元素質(zhì)量分?jǐn)?shù)為:77.8%,F(xiàn)e2O3鐵元素質(zhì)量分?jǐn)?shù)為:70%
①假設(shè)全是氧化亞鐵
氧化亞鐵質(zhì)量分?jǐn)?shù)為72%,碳酸鈣質(zhì)量分?jǐn)?shù)為28%
②假設(shè)全是氧化鐵
氧化鐵質(zhì)量分?jǐn)?shù)為80%,碳酸鈣質(zhì)量分?jǐn)?shù)為20%
所以得到20%<w(CaCO3)<28%