16
QuizMultiple Choice
Unit Test
Question 16 of 25 • PA-Physical Science A
The balanced chemical equation for the reaction of hydrogen and oxygen is shown below.2H2 + O2 2H2OThe number of moles of hydrogen that is needed to produce 0.253 mol of water is
Answer
A
smaller than 0.253 mol.B
much greater than 0.253 mol.C
slightly greater than 0.253 mol.D
equal to 0.253 mol.