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  1. A

    Chemistry: Post your doubts here!

    Compound X contains the elements C, H and O only. 2.00 g of X produces 4.00 g of carbon dioxide and 1.63 g of water when completely combusted. What is the empirical formula of X? A CHO2 B C2H2O C C2H4O D CH2O2 GUYS PLEASE HELP ME OUTTT
  2. A

    Chemistry: Post your doubts here!

    Thank you soo much
  3. A

    Chemistry: Post your doubts here!

    X is the oxide of a Period 3 element. X reacts with water to give an acidic solution. A solution is prepared by reacting 0.100g of X with excess water. This solution was neutralised by exactly 25.0cm3 of 0.100moldm–3 sodium hydroxide solution. What could be the identity of X? A Al 2O3 B MgO...
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