1. A sample containing 33.42 g of metal pellets is poured into a graduated cylinder initially containing 12.7 mL of water, causing the water level in the cylinder to rise to 21.6 mL. The density of the metal is mg/cm3 .
(A)3755
(B)3760
(C)3800
(D) 4000
(E)none of these

答案:登入後查看
統計: A(18), B(2), C(4), D(6), E(2) #938611

詳解 (共 2 筆)

#5663314
答案是C沒錯 這題看起來很簡單,其實是考...
(共 89 字,隱藏中)
前往觀看
4
0
#1408772
答案是A??

2
0

私人筆記 (共 1 筆)

私人筆記#5993578
未解鎖


(共 0 字,隱藏中)
前往觀看
3
0