配制100g9.8%的稀硫酸来清洗铁锈
配制100g9.8%的稀硫酸来清洗铁锈
问(1)需要98%的浓硫酸多少毫升?(浓硫酸密度1.8g/ml) (2)需要加水多少毫升?
问(1)需要98%的浓硫酸多少毫升?(浓硫酸密度1.8g/ml) (2)需要加水多少毫升?
其他人气:968 ℃时间:2020-03-31 11:14:04
优质解答
1,设98%的浓硫酸质量为x x*98%=100g*9.8% x=10g 所以体积为10g/1.8g/ml=5.6mL 2,水的质量=100g-10g=90g 体积为90g/1g/ml=90mL
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