Воды - 500г
CO2 - 6.5\22.4*44=12.8г
CH3
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СH3 - C - CH - CH3
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<span> OH CH3</span>
Fe + 2HCl = FeCl2 + H2↑
FeCl2 + 2AgNO3 = Fe(NO3)2 + 2AgCl↓
<span><span>Fe<span>(NO3)</span>2</span> + <span>2 <span>NaOH</span></span> = <span>Fe<span>(OH)</span>2</span></span>↓<span> + <span>2 <span>NaNO<span>3
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Кто владеет информацией, тот владеет миром.
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Na2CO3 +2HCl = 2NaCl + CO2 + H2O