Chemistry, 04.03.2020 23:00 shelovejaylocs
22. Complete and balance the following acid-base equations: (a) A aqueous solution of HClO4 is added to an aqueous solution of LiOH. (b) Aqueous H2SO4 reacts with aqueous NaOH. (c) Ba(OH)2 solid reacts with HF gas.
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
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What are the similarities of physical and chemical change ?
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An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
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22. Complete and balance the following acid-base equations: (a) A aqueous solution of HClO4 is added...
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