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17-12-2016
Chemistry

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Which of these equations is balanced?
a. h2o co ---> h2co3
b. 2nacl h2so4 ----> na2so4 2hcl
c. 2cao h2o ----> ca(oh)2
d. mn fe ----> mns fe?

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17-12-2016

b. 2NaCl + H2SO4 ----> Na2SO4 + 2HCl is the balanced equation

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