Nung 10 gam CaCO3 ở nhiệt độ cao . Biết H= 80%. Tính Vco2
Nung 10 gam CaCO3 ở nhiệt độ cao . Biết H= 80%. Tính Vco2
A, (x-1/2)2=4/5 B, x-1/2=5/6
A, (x-1/2)2=4/5 B, x-1/2=5/6
II. Choose the best answer. 26. James……..the news as soon as possible. A. should tell B. should be told C. should told
II. Choose the best answer. 26. James……..the news as soon as possible. A. should tell B. should be told C. …