今年小明家种植柑橘获得了丰收.小明想:柑橘的密度是多少呢?于是,他将柑橘带到学校实验室,用天平、溢

2025-04-07 10:48:10
推荐回答(1个)
回答(1):

(1)柑橘排水质量:
m=m-m=360g-240g=120g;
(2)柑橘的体积:
V=V=

m
ρ
=
120g
1g/cm3
=120cm3
柑橘的密度:
ρ=
m
V
=
114g
120cm3
=0.95g/cm3
(3)实验中,测柑橘的体积,即排开水的体积时,柑橘会带出一部分水,使排开水的质量变大、测得柑橘的体积变大,因此影响到最终的密度测量值偏小.
答:(1)溢水杯中排出水的质量是120g;
(2)这个柑橘的体积为=120cm3,密度为0.95g/cm3
(3)小明用这种方法测出的这个柑橘的密度与它的实际密度比较是偏小的.

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