Question

Zn (8) + Fe 2 O 3 (5) Fe(s) + ZnO (s) balance equation​

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6th chapter in a data set and answers then all of friends questions that need be to and to provide you the most ❤

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laxmimkanth

26.09.2017

Chemistry

Primary School

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Balanced equations with answers

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Problem #1: FeCl3 + MgO ---> Fe2O3 + MgCl2

Solution:

1) Balance the Cl (note that 2 x 3 = 3 x 2):

2FeCl3 + MgO ---> Fe2O3 + 3MgCl2The element (Mg or O, depending on which one you picked) also gets balanced in this step.

Problem #2: Li + H3PO4 ---> H2 + Li3PO4

Solution:

1) Balance the Li:

3Li + H3PO4 ---> H2 + Li3PO4

2) Now, look at the hydrogens. See how the H comes only in groups of 3 on the left and only in groups of 2 on the right? Do this:

3Li + 2H3PO4 ---> 3H2 + Li3PO4Remember 2 x 3 = 6 and 3 x 2 = 6. It shows up a lot