How many milliliters of ozone gas at at 25.0C and 1.00 atm pressure are needed to react with 45.00 mL of a 0.100 M aqueous solution of KI according to the chemical equation shown below?
O3(g) + 2 I-(aq) + H2O(l) O2(g) + I2(s) + 2 OH-(aq)
A) 55.0 mL
B) 110. mL
C) 165 mL
D) 220. mL
Question 2
Determine the theoretical yield of H2S (in moles) if 4.0 mol Al2S3 and 4.0 mol H2O are reacted according to the following balanced reaction. A possibly useful molar mass is Al2S3 = 150.17 g/mol.
Al2S3(s) + 6 H2O(l) 2 Al(OH)3(s) + 3 H2S(g) A) 12 mol H2S
B) 4.0 mol H2S
C) 18 mol H2S
D) 6.0 mol H2S
E) 2.0 mol H2S
Question 3
Which of the following anions has 2 oxygen atoms and a net charge of -1?
A) permanganate
B) chlorite
C) bicarbonate
D) nitrate