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Chemistry: Post your doubts here!
Acidic oxide of period 3 means its either A, C, D When so3 is dissolved in water it forms h2so4 H2so4 + 2naoh = na2so4 + 2h2o note the mole ration of acid to base is 1: 2 Moles of naoh = concentration x volume 0.1 x 25/1000 = 2.5x10^-3 0.100g of x means that if its so3 then mole = 0.100/16x3...