A chemical analysis yields the following: Chemicals Concentration NO₃⁻ in water 10.0 ...
A chemical analysis yields the following:
|
Chemicals |
Concentration |
|
NO₃⁻ in water |
10.0 mg/L |
|
NO₂⁻ in water |
10.0 µg/L |
|
Dissolved oxygen in water |
7.60 mg/L |
|
NO₂ in air (1 atm) |
65 mg/m³ |
|
Temperature (water and air) |
25 °C |
What is the concentration of nitrate (NO₃⁻) in %?
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A chemical analysis yields the following: Chemicals Concentration NO₃⁻ in water 10.0 ...
(6 points) A chemical analysis of a surface water sample yields the following data: Concentration (mg/L)...
(6 points) A chemical analysis of a surface water sample yields the following data: Concentration (mg/L) Ion Ca2+ Mg2+ Fe2 K+ CI SO..2 HCO, CO;2- pH a. Find the alkalinity (in mol/L) b. Find the hardness as mg CaCO/L.
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed...
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.41 and the Henry's law constant for oxygen in water at this temperature to be 1.3 × 10-3 M/atm. 96.3 mg 49.4 mg 63.2 mg 48.2 mg
Find the equilibrium concentration of aluminum ions in pure water at 25 degree C caused by...
Find the equilibrium concentration of aluminum ions in pure water at 25 degree C caused by the dissociation of Al(OH)_3. Express the answer both in units of M and mg/L. Find the equilibrium pH value if copper ion (Cu^2+) concentration in water is 1.2 mg/L. The copper ion is dissolved from Cu(OH)_2. Calculate the equilibrium concentration of dissolved oxygen in mg/L in 10 degree C water (a) at msl (mean sea level), and (b) at 600 m elevation.
The property of oxygen to dissolve into water is very important to aquatic environmental systems The...
The property of oxygen to dissolve into water is very important to aquatic environmental systems The following Henry's constants are found in the literature for fresh water: Temperature (C KH (mol-L atm1) 10 15 20 25 1.90x103 1.68x10-3 1.50x103 1.35x103 1.22x103 Develop a spreadsheet to calculate and plot the saturation concentration (in mg/L) of oxygen (02) in fresh water. Assume the atmospheric pressure is 1 atm and the mole fraction of oxygen in the air is 0.21.
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m...
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)
Ng the deep sea water presstre over the dissolved gases as the partial pressure of the gas exerti...
ng the deep sea water presstre over the dissolved gases as the partial pressure of the gas exerting er the liquid. What would be the molar concentration of oxygen gas, O2(g). in M, dissolved in the blood circulation system of Ahmed Gabr, who set the record to dive down to a depth of 332 meters under the sea in 2014 atm 760 mmHg 10.336 meter H2O column. The Henry's law constant for oxygen gas, O2(g): k110: 1.3 x 10-3 M/atm...
1a.) From water sample, 10 mg/L HCO3- as CaCO3, 10 mg/L CO3- as CaCO3 and 50...
1a.) From water sample, 10 mg/L HCO3- as CaCO3, 10 mg/L CO3- as CaCO3 and 50 mg/L Ca+ as CaCO3 were measured. pH was near neutral. What is alkalinity? _____ mg/L as CaCO3 1b.) From water sample, 10 mg/L HCO3- as CaCO3, 10 mg/L CO3- as CaCO3 and 50 mg/L Ca+ as CaCO3 were measured. pH was near neutral. What is alkalinity? _____ mg/L as CaCO3 1c.) Calculate Ksp = _____ A2BO3 ->2A++ BO32- Molar concentration of A+ = Molar...
Calculate the concentration in units of mg/L for oxygen dissolved in 1050.0 mL of water at...
Calculate the concentration in units of mg/L for oxygen dissolved in 1050.0 mL of water at 25 °C, if the partial pressure of O2 in gas phase in equilibrium with the water is 238.1 mm Hg. Assume the density of water =1 g/mL
Chloroform (CHCI3) has a Drinking Water standard concentration of 0.10 mg/L What is this concentration expressed as par...
Chloroform (CHCI3) has a Drinking Water standard concentration of 0.10 mg/L What is this concentration expressed as parts per million (ppm)? Typical consumption Risk Analysis L/day for 70 years. How many grams of CHCI3 would the average human 1. a. b. assumes the average human drinks 2.2 during a lifetime at the Drinking Water standard concentration? consume Find the Volume of 1 mole of an ideal gas at 1.2 atm and 80°C 2. The Air Quality Standard for sulfur dioxide...
matlab please TABLE P15.5 Dissolved oxygen concentration in water as a function of temperature (°C) and...
matlab please
TABLE P15.5 Dissolved oxygen concentration in water as a function of temperature (°C) and chloride concentration (O/L). Dissolved Oxygen (mg/L) for Temperature (C) and Concentration of Chloride (g/L) C=Og/L c=10 g/l c=20 g/L 14.6 12.9 11.4 12.8 11.3 10.3 11.3 10.1 8.96 10.1 9.03 8.08 9.09 8.17 7.35 8.26 7.46 6.73 6.85 6.20 1.56 the percent relative error for your prediction. Explain pos sible causes for the discrepancy. 15.7 As compared with the models from Probs. 15.5 and...
(6 points) A chemical analysis of a surface water sample yields the following data: Concentration (mg/L) Ion Ca2+ Mg2+ Fe2 K+ CI SO..2 HCO, CO;2- pH a. Find the alkalinity (in mol/L) b. Find the hardness as mg CaCO/L.
Find the equilibrium concentration of aluminum ions in pure water at 25 degree C caused by the dissociation of Al(OH)_3. Express the answer both in units of M and mg/L. Find the equilibrium pH value if copper ion (Cu^2+) concentration in water is 1.2 mg/L. The copper ion is dissolved from Cu(OH)_2. Calculate the equilibrium concentration of dissolved oxygen in mg/L in 10 degree C water (a) at msl (mean sea level), and (b) at 600 m elevation.
The property of oxygen to dissolve into water is very important to aquatic environmental systems The following Henry's constants are found in the literature for fresh water: Temperature (C KH (mol-L atm1) 10 15 20 25 1.90x103 1.68x10-3 1.50x103 1.35x103 1.22x103 Develop a spreadsheet to calculate and plot the saturation concentration (in mg/L) of oxygen (02) in fresh water. Assume the atmospheric pressure is 1 atm and the mole fraction of oxygen in the air is 0.21.
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)
ng the deep sea water presstre over the dissolved gases as the partial pressure of the gas exerting er the liquid. What would be the molar concentration of oxygen gas, O2(g). in M, dissolved in the blood circulation system of Ahmed Gabr, who set the record to dive down to a depth of 332 meters under the sea in 2014 atm 760 mmHg 10.336 meter H2O column. The Henry's law constant for oxygen gas, O2(g): k110: 1.3 x 10-3 M/atm...
Chloroform (CHCI3) has a Drinking Water standard concentration of 0.10 mg/L What is this concentration expressed as parts per million (ppm)? Typical consumption Risk Analysis L/day for 70 years. How many grams of CHCI3 would the average human 1. a. b. assumes the average human drinks 2.2 during a lifetime at the Drinking Water standard concentration? consume Find the Volume of 1 mole of an ideal gas at 1.2 atm and 80°C 2. The Air Quality Standard for sulfur dioxide...
matlab please
TABLE P15.5 Dissolved oxygen concentration in water as a function of temperature (°C) and chloride concentration (O/L). Dissolved Oxygen (mg/L) for Temperature (C) and Concentration of Chloride (g/L) C=Og/L c=10 g/l c=20 g/L 14.6 12.9 11.4 12.8 11.3 10.3 11.3 10.1 8.96 10.1 9.03 8.08 9.09 8.17 7.35 8.26 7.46 6.73 6.85 6.20 1.56 the percent relative error for your prediction. Explain pos sible causes for the discrepancy. 15.7 As compared with the models from Probs. 15.5 and...
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