Chemistry, 04.06.2021 14:00, 3kp

please answer Porosity is the fraction of material occupied by empty spaces. It can be expressed as a percent or a decimal. Assume that the porosity of a sample of sand and a sample of gravel is the same: 30 percent (0.30). Determine the porosity of a mixture of the sand and gravel, assuming that the sand fills the spaces between the gravel.

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please answer Porosity is the fraction of material occupied by empty spaces. It can be expressed as...