posted by Christina .
Some drain cleaners contain a mixture of sodium hydroxide and aluminum which reacts with water as follows:
What mass of hydrogen gas can be produced when 5g Al reacts with sufficient NaOH and H2O) according to the above equation?
According to the equation, for each mole of aluminum, one gets 3 moles of H2. So how many moles of Al is 5 grams? You ought to get three times that.