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8. Following observations were made on the effect of ionic strength u on the rate constant k of the reaction A+B Product (rds): Reactions in Solutions 03 u X 103 10 xk (moldmm-) 6.30 (mol dm-3) 2.4 3.6 4.4 6.4 8.4 6.72 6.96 7.08 7.56 Find the value of ZA Z. If charge on A is -1, what will be charge on B