how to calculate percent dissolved oxygen saturation?
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Example: Determine the % saturation of dissolved oxygen in a stream given the following information: Temperature (13 C); DO (7.6 mg/L). Using the monogram above your answer would be about 72 - 75 depending on your line. Another method is to divide 7.6 by 10.6, which is the 100% solubility at 13 C, then multiply by 100.
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Water at lower temperatures should have higher mg/L of dissolved oxygen and higher %DO while warmer, polluted waters will have lower mg/L and %DO. Healthy water should generally have dissolved oxygen concentrations above 6.5-8 mg/L and between about 80-120 %.
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Converting from Parts Per Million (ppm) to Percent (%) In order to express the results as a percent, divide the nutrient content (which is expressed in ppm) by 10,000. For example, if the reported value for P2O5 is 2,690 ppm, the calculation to convert to percent would be: 2,690 ppm ÷ 10,000 = 0.269%.
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Explanation of Solution The percent composition of nitrogen is 46.7%. The percent composition of compound is 100%. So, the percent composition of oxygen is (100−46.7)%=53.3%.
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Answer and Explanation: The percent composition of water is 11.19 percent hydrogen and 88.81 percent oxygen.
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Divide the mass of the first dissolved component by the solution mass, and then multiply the result by 100 to calculate the mass percentage. In our example, the first dissolved compound is NaCl; the mass percent is (10 g / 136 g) x 100 percent = 7.35 percent.
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Answer: 49.92% is the mass percent of oxygen (O)in sulfur dioxide.
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Oxygen content (ml/dl) is calculated Page 7 as: (1.34 x Hb x SO2) + (0.003 x PO2) where SO2 is percent hemoglobin saturation with oxygen. Venous admixture is normally less than 5% of the cardiac output; values over 10% are considered to be increased. Venous admixture may increase to over 50% in diffuse lung disease.
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['gh=ΘA(xs−x)', 'gh = amount of evaporated water per hour (kg/h)', 'Θ=(25+19v) = evaporation coefficient (kg/(m2 h))', 'v = velocity of air above the water surface (m/s)', 'A = water surface area (m2)']
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Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a given temperature. Such a solution is called saturated. Divide the mass of the compound by the mass of the solvent and then multiply by 100 g to calculate the solubility in g/100g .
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Divide actual vapor pressure by saturation vapor pressure and multiply by 100 to obtain a percentage using the formula Relative Humidity (percentage) = actual vapor pressure/saturated vapor pressure x100. The resulting number indicates relative humidity.
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mass % O = (32.00 g / 44.01 g) x 100. mass % O = 72.71 %
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Healthy water should generally have dissolved oxygen concentrations above 6.5-8 mg/L and between about 80-120 %.
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To convert from % solution to molarity, multiply the % solution by 10 to express the percent solution grams/L, then divide by the formula weight.
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The normal oxygen saturation level is 97–100% (OER #1). Older adults typically have lower oxygen saturation levels than younger adults.
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The experimental percentage of oxygen in the sample of KClO3 is calculated by using this equation. Experimental % oxygen = Mass of oxygen lost x 100 Mass of KClO3 The theoretical value of the % oxygen in potassium chlorate is calculated from the formula KClO3 with a molar mass = 122.6 g/mol.
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['Given Element: Na2SO4.', 'Calculating the Molar Mass Of Na2SO4: = [(2 x 23.0) + (32.066) + 4(16.00)] ... ', 'Formula Used To Find The Mass Percent Of An Element: ... ', 'Calculating Mass Percent Of The Sodium Element: ... ', 'Mass Percent Of The Sulphur Element: ... ', 'Mass Percent Of The Oxygen Element:']