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20 March, 06:41

Upon balancing the equation below, how many moles of sulfuric acid are needed to react completely with 8.4 moles of lithium hydroxide?

LiOH + H2SO4 yields Li2SO4 + H2O

a. 2.1 moles

b. 4.2 moles

c. 8.4 moles

d. 16.8 moles

+2
Answers (1)
  1. 20 March, 09:16
    0
    The answer is b. 4.2 mole. The balanced reaction formula is 2LiOH + H2SO4 - - >Li2SO4 + 2H2O. And the ratio of mole number of the reactants is the same as the ratio of coefficients.
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