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好吧问答库 > 称取堆积密度为1500kg⼀m3的干砂200g，将此砂装入容量瓶内，加满水并排尽气泡（砂已吸水饱和），称得总质量

称取堆积密度为1500kg⼀m3的干砂200g，将此砂装入容量瓶内，加满水并排尽气泡（砂已吸水饱和），称得总质量

2025年04月07日 10:43

有1个网友回答

网友（1）：

由题目可知，200g干砂所占体积为133cm^3，在这一体积内，先放入200g砂在加水排开空气的质量比单纯加水的质量大 510-386=124g，也就是这部分质量为133+124=257g，其中水57g，体积为57cm^3，因此砂排水体积为133-57=76cm^3,砂的表观密度为200/76=2.63g/cm^3

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