Question

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Answer 1

 (1)4S                                            £¨1·Ö£©

(2)CO₂:200g£­193.4g=6.6g                            £¨1·Ö£©

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142                                   88

 X          6.6g              £¨1·Ö£©

                   142/88=X/6.6g

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