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When 0.126 moles of HCl reacts with 0.429 moles of NH3, how much NH3 is consumed? Figuring out concentrations? Why is a volt dimension less if it represents the ratio of two energies=Joule per charge? How did Olinto de Prete managed to publish the equation E=MC^2 before Einstein's publication? Trig: If sin theta = 5/13 and theta lies in quad II .. find exact value of the following..?