Determine the mass of Zn(OH)2 produced.

Chemistry
Tutor: None Selected Time limit: 1 Day

An alkaline battery produces electrical energy according to the following equation.
Zn(s) + 2 MnO2(s) + H2O(l)  Zn(OH)2(s) + Mn2O3(s)
(a) Determine the limiting reactant if 38.5 g Zn and 49.0 g MnO2 are used. (Type your answer using the format CH4 for CH4.)
  

(b) Determine the mass of Zn(OH)2 produced.

 g

Jun 2nd, 2015

Thank you for the opportunity to help you with your question!

zn is 102

mno2 =98

38.5/102 = 0.3

mno2= 49/98= 0.5moles 

zn is in a limit reaction

mass of zn[oH]2

102=      0.3 grames

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 2nd, 2015

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