【用戶】maruko
【年級】高三下
【評論內容】Charlie整理一下如果題目是: 一種藥的溶解度為：1 in 50 of water；1 in 14 of alcohol，則下列敘述何者正確？答案=B如果題目是: 一種藥的溶解度為：1 in 50 of water；1 in 14 of alcohol，則下列敘述何者錯誤？答案=A, C, DA) 1 in 50 of water = (1000mg 可溶於 50mL water )÷ 4= 250mg 需要 12.5mL water 才可溶 (4mL不夠)B) 1 in 14 of alcohol = (1g 可溶於 14mL alcohol) x 4 = 4g 只需要 56mL alcohol 就可溶 (在60mL 中一定可以溶)C) (1g 可溶於 14mL alcohol) x 500 = 500g 需要 7000mL 才可溶 (3L不夠)D) (1g 可溶於 14mL alcohol) x 0.05 = 0.05g 需要 0.7mL 才可溶 (0.2mL不夠...