Examine the chemical equation below.
4 Fe + 3O, 2 Fe2O3
How many iron (III) oxide (Fe,03) molecules are present?
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in the given question, the partial pressure is calculated by using the ideal gas equation, that is, pv = nrt

here, p is pressure, v is volume = 25 l, n is number of moles = 0.0104 moles, r is gas constant = -0.0821 l.atm / mol.k

t is temperature = 273 k

p = nrt / v

p = (0.0104 mol × 0.0821 l.atm / mol.k × 273 k) / 25 l

= 0.0093 atm

im doing test rn im going with 2 but ill give answer if itss wrong,   : )