純銀v
註意, 金的密度為19.3克每立方厘米
(1)m=ρV=3.0g/m?×5.4cm?=1.62E-5g
(2)V=m/ρ=6g÷19.3g/cm?=0.31cm?
(3)銀的體積V=23cm?-5.4cm?-0.31cm?=17.29cm?
銀的質量m=ρV=10.5g/cm?×17.29cm?=181.5g
(1)m=ρV=3.0g/m?×5.4cm?=1.62E-5g
(2)V=m/ρ=6g÷19.3g/cm?=0.31cm?
(3)銀的體積V=23cm?-5.4cm?-0.31cm?=17.29cm?
銀的質量m=ρV=10.5g/cm?×17.29cm?=181.5g