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1.What is equilibrium molarity?Plz xplain a bit?
2.What is equivalent mass?How can we get the eqv mass of any species 4m a rxn?
(1) I'll explain through examples :
H2(g) + I2(g) <--> 2 HI(g) Initial..................... 0.05.... 0.06 ...........0 Change...................- x ......- x..............+x Equilibrium.......... 0.05 - x.. 0.06-x...........x Equilibrium constant, Kc = [HI]2 / [H2] [I2] = 58.6 ......................................… = [x]2 / [0.05-x] [0.06-x] = 58.6 Solve for x to get the change in the number of moles, and subsequently the number of moles of each compound in equilibrium Molarity of H2 = [0.05-x] / 1.00L Molarity of I2 = [0.06-x] / 1.00L Molarity of HI = x / 1.00L
(2)
Equivalent weight is the atomic weight of an element or radical divided by the valence it assumes in a chemical compound.
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