In a first order reaction A → Products, the ratio of a and (a – x) was found to be 8 after 60 minutes. Calculate the rate of the reaction in moles of A reacted per minute, If its concentration is 0.1 mole litre–1 .
(A) 5.566 × 10–3 mole litre–1 min–1
(B) 3.466 × 10–3 mole litre min
(C) 4.366 × 10–3 mole litre–1 min–1
(D) 3.466 × 10–3 mole litre–1 min–1
