Question

2 moles of BaCl2 reacts with excess of dil H2SO4 .The number of moles of BaSO4 formed is

Answer 1

2 mole of baso4 get formed.
......

Answer 2

2 moles of barium chloride react with an excess of diluted sulphuric acid to form 2 moles of $BaSO_4$

Explanation:

2 moles of barium chloride react with one mole of sulphuric acid as follow:

$BaCl_2+H_2SO_4 - > BaSO_4+2HCL$

2               0                 0              0

0              (2-0)            2             $(0\cdot2)$

Hence, the amount produced by barium chloride and sulphuric acid reaction is 2mol.

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