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An excess of water is reacted with 2.5g of cesium metal. Calculate the volume of dry hydrogen that is collected over water at 25 degrees C and a barometric pressure of 708 Torr. The vapor pressure of h2o at 25 degrees C is 23.8 Torr.
2Cs(s)+2H2O(l)---> 2CsOH(aq) + H2(g)
a) 0.28L
b) 0.49L
c) 0.26L
d) 0.98L
e) 1.6L
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