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22 December, 15:42

When 83.3 grams of phosphorus pentachloride react with an excess of water, as shown in the unbalanced chemical equation below, how many moles of hydrochloric acid will be produced?

PCl5 + H2O yields H3PO4 + HCl

0.4 moles

1.0 moles

1.6 moles

2.0 moles

+4
Answers (1)
  1. 22 December, 19:21
    0
    2.0 moles. (83.3g / 208 [grams/moles] * 5 [from balancing] = around 2
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