Chemistry
Senior High
化学です。答えは4の(3)です
式がわかりません
(3) 密度 4.0g/cm3 の物質が 2.0g あったとき, その体積は何 cm* か。
ドリルの解答
訓) 105 (②⑫) 107 (3) 108 (④⑭ 4X10"*
四) 6.02 (2) 1.000x105 (3) 1.0X10? (⑬⑭ 9.65X10* (5) 3.3x10~!
回(]) 722 2)650M0(90 7.0X102 (4) 2x103 (5) 3.2 (6) 0.8 (7⑦) 10.9 (@⑯) 0.1
四(1) 0.50g/cm? (2) 8.0g 0⑬) 0.50cm9
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