56 g 1 wc 1 0112 mass of water m w m p s w m s

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Unformatted text preview: total mass of soil is given equal to 81.8g with a moisture content equal to 11.2%. 81.8 g M Dry mass of soil M s = = = 73.56 g 1 + w.c. 1 + 0.112 Mass of water M w = M p + s + w − M s − M p = 373.18 − 73.56 − 77.12 = 222.50 g Volume of water Vw = Mw ρw = 222.50ml Volume of solids Vs = V − Vw = 250.00 − 222.50 = 27.50ml Specific Gravity of Solids Mass (g) 77.12 373.18 222.50 Gs = Ms 73.56 g = = 2.67 Vs ρ w (27.50ml )(1g / ml ) Volume (ml) Pycnometer Water 222.50 250.00 73.56 Solids 27.5 (b) Note: A real laboratory specific gravity test also considers various correction factors to account for the density of water as a function of temperature and other variables. Page 7 of 7...
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