Volume of Coalcm³ / time/sec D 20 35 47 5b 64 69 718 ㅋㅋ 79 80 бо 0 10 20 30 40 30 60 70 80 90 (00 110 Plot this result on the graph paper At what time is the reaction most rapid What is the rate of the reaction after 50 seconds What volume of gas is formed at 15 seconds How long did it take for 40 cm³ of CO₂ to be formed Why does the rate of reaction gradually slow down