Exercise. Calculate porosity. We need: Beaker (100ml) Graduated cylinder (50ml)

Question

Exercise. Calculate porosity. We need: Beaker (100ml) Graduated cylinder (50ml) Coarse and find sand Water Step1: fill the beaker up to the 80ml mark with coarse sand Step2: slowly pour the water into the sand filled beaker, allowing time for water to seep through the sediments, until the water reaches the 80ml mark of the beaker Step3: determine how much water has been added to the sediment in order to fill up all of the pore spaces. (50ml-remaining water=volume of pore space) Step4: calculate the porosityof the coarse sand as a percentage of the total volume Reading=21ml Exercise. Calculate porosity. We need: Beaker (100ml) Graduated cylinder (50ml) Coarse and find sand Water Step1: fill the beaker up to the 80ml mark with coarse sand Step2: slowly pour the water into the sand filled beaker, allowing time for water to seep through the sediments, until the water reaches the 80ml mark of the beaker Step3: determine how much water has been added to the sediment in order to fill up all of the pore spaces. (50ml-remaining water=volume of pore space) Step4: calculate the porosityof the coarse sand as a percentage of the total volume Reading=21ml We need: Beaker (100ml) Graduated cylinder (50ml) Coarse and find sand Water Step1: fill the beaker up to the 80ml mark with coarse sand Beaker (100ml) Graduated cylinder (50ml) Coarse and find sand Water Step1: fill the beaker up to the 80ml mark with coarse sand Step2: slowly pour the water into the sand filled beaker, allowing time for water to seep through the sediments, until the water reaches the 80ml mark of the beaker Step3: determine how much water has been added to the sediment in order to fill up all of the pore spaces. (50ml-remaining water=volume of pore space) Step4: calculate the porosityof the coarse sand as a percentage of the total volume Reading=21ml

Explanation / Answer

If reading of the water is 21 ml

Porosity is defined as = (Volume of the liquid or gas) / (Total volume combined with Solid phase and liquid/gas)

Therefore, Porosity = 21 ml / 80 ml = 0.2625

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