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The solubility of N2 in water is 2.2 x 0.0001 g in 100 g of H2O at 20 celcius when the pressure of nitrogen over the solution is 1.2 atm. calculate the solubility at that temperature when the nitrogen pressure is 10 atm.
The statements in the following multiple choices deal with the relationship between solute concentration and various colligative properties. Choose the statement which is true.
What concentrations of [K2HPO4] and [KH2PO4] will you need to make the total concentration 0.50 M? 3.) How many moles of K2HPO4 and KH2PO4 will you need? 4.) What mass of K2HPO4 and KH2PO4 will you need?
Calculate the number of moles of CO 2
The reaction is Cisplatin + H2O -> cisplatinOH2+ + Cl- Supposing the concentration of cisplatin in the bloodstream of a cancer patient is 4.73*10^-4 M. What will be the concentration after 24 hrs?
calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550mL of solution
What is the pH of a sulfadiazine sodium solution containing 0.5 M of the drug in 1000 mL of solution?
What is the balanced formula unit equation for the reaction Mercury(II) nitrate reacts with sodium sulfide to form mercury(II) sulfide, which is very insoluble, and sodium nitrate
How many grams of phosphorus react with 38.1 L of O2 at STP to form tetraphosphorus decaoxide. P4(s) + 5 O2(g) P4O10(s)
Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90º bond angle in it.
Complete and balance the following redox equation. What is the coefficient of H2O when the equation is balanced using the set of smallest while-number coefficients. MnO4^- + SO3^2- ---> Mn^2+ + SO4^2- (acidic solution)
What is the minimum mass of oxygen, in grams, needed to burn 39.7 g C6H6O? Give your answer to three significant figures
What is the final concentration of copper in the flask b)what is the uncertainty in the value of the copper concentration?
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