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how many liters of CO2 could be produced by 36.5L of O2
The concentration of a phosphoric acid solution is determined by titration against a 0.00215 g sample of pure NaOH using phenolphthalein indicator. What is the concentartion of the phosphoric acid solution
How many moles of H3O+ must be added to one liter of a solution to adjust the pH from 7.48 to 5.90?
It is used to control the pH and provide nutrients in the biological (microbial) treatment of municipal wastewater streams. What is the ratio of solubility of Mg(OH)2 dissolved in pure H2O to Mg(OH)2 dissolved in a 0.200 NaOH solution
What is the pH of a solution that has a formic acid (HCHO2) concentration of 0.39 and a potassium formate (KCHO2) concentration of 0.12? The Ka for formic acid is 1.7 x 10-4.
If the density of air at an ordinary atmospheric pressure and 25 degrees Celsius is 1.19g/L. what is the mass, in kilograms, of the air in the room that measures 12.5x15.5x8.0ft
During the laboratory exercise you will need 100.00mL of a 0.20M Ni^+2 solution and 25.00ml of a 0.10M Co^+2 solution. You will prepare the Ni^+2 solution from solid NiSO4 (X) 6H20 and the Co^+2 solution from solid Co(NO3)2 (X) 6H20
Consider the reaction N2 (g) + O2 (g) ? 2 NO (g).a. How many g NO can be produced when 25.0 g of nitrogen reacts? b. How many g NO can be produced when 25.0 g of oxygen reacts? c. Based on your answers in a and b,
All the CO2 that enter waterbody is converted to CH2O. How much oxygen (moles/m^2) is required to oxidize it back to CO2?
A flask contains a mixture of hydrogen and oxygen. The pressure exerted by these gases is 785 mmHg. If the partial pressure of the hydrogen in the mixture is 395 mmHg, what is the partial pressure of the oxygen?
how many grams of ethylene glycol c2h4oh2 are needed per kilogram of water to protect radiator fluid against freezing
When 1.25 g of an element X is reacted with excess with bromine, a compound of empirical formula XBR5 forms with a mass 6.62 g a) Find out the atomic mass of X
Calculate the pH of each of the following solutions. (a) 0.115 M HONH2 (Kb = 1.1 10-8) (b) 0.115 M HONH3Cl
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