Consider the chemical reaction:
2h2o(l)→2h2(g)+o2(g)
how many moles of h2o are required to form 1.6 l of o2 at a temperature of 324 k and a pressure of 0.984 atm ?
express your answer using two significant figures.

The number of moles of H2O required to form 1.6 L of O2 at a temperature of 324 K and a pressure of 0.984atm is 0.118moles

PV = nRT

Where;

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The answer to your question is: 0.118 moles of water

Explanation:

Data

moles of water = ?

Vol of O2= 1.6

Temp = 324°K

Pressure = 0.984 atm

R = 0.082 atm l / mol°K

Process

1.- Calculate the moles of O₂ using the ideal gas formula.

                                PV = nRT

                                       n = 0.059 moles of oxygen

2.- Find the moles of water

                                2 moles of water ------------------ 1 mol of oxygen

                                x                           ------------------   0.059 moles

                                x = (0.059 x 2) / 1

                                x = 0.118 moles of water

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