Question

體積為V＝20厘米3的空心銅球中鑄滿鋁, 總質(zhì)量m＝116克, ρ銅＝8.9×103千克／米3, ρ鋁＝2.7×103千克／米3. 則: (1)銅的質(zhì)量為________克; (2)鋁的質(zhì)量為____________克. 

Answer 1

答案：89;27