The rate of decomposition of PH3 was studied at 931.00 °C. Therate constant was found to be 0.0695 s–1.( 4PH3 YEILDPH4 + 6H2 ) If the reaction is begun with aninitial PH3 concentration of 0.95 M, what will be the concentrationof PH3 after 10.50 s?
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