- In Ag+2HNO3->AgNO3+NO2+H20 how do i find the change in oxidation number of Ag?

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You are making a 0.339 M HBr solution from a solution of 3.00 M HBr. How much concentrated acid would make the diluted solution to be 50 mL? Body weighs 50 # placed in contact with inclined surface. Coefficient of friction between .25. If angle is 28 degrees, what is angle of rest? A guy dilutes 27.0 mL of a 7.79 M perchloric acid solution to a total volume of 200.0 mL. What is the concentration of the diluted solution? Why is the integral of (3+cos x) the same as the integral of (3)? 33.2 mL of a 0.373 M CaCl2 solution reacts with 26.4 mL of a 0.626 M AlCl3 solution. what is the final concentration of chloride?