The nuts and bolts of
chemical equations Part 7
Balance the following equations
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11.
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+
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+
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12.
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+
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+
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13.
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+
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+
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14.
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+
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15.
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+
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16.
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+
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+
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17.
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+
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+
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18.
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+
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+
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19.
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+
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+
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+
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20.
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+
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+
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+
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