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Question
When 280. mL of 1.50 10-4 M hydrochloric acid is added to 125 mL of 1.75 10-4 M Mg(OH)2, the resulting solution will beA) acidic.
B) basic.
C) neutral.
D) It is impossible to tell from the information given.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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B) covalent and basic
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Picture (a) shows p-orbital overlap between carbon and oxygen atoms; picture (b) shows p-orbital overlap between silicon and oxygen atoms. Based on these pictures, it is expected that
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B) silicon and oxygen form better σ bonds than carbon and oxygen, so Si-O single bonds are stronger than C-O single bonds.
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Chromium can be electroplated from an aqueous solution containing sulfuric acid and chromic acid, H2CrO4. What current is required to deposit chromium at a rate of 1.25 g/min?
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O2(g) + 4 H+(aq) + 4 e--> 2 H2O(l) E = +1.23 VI2(s) + 2 e- -> 2 I-(aq) E = +0.54 V2 H2O(l) + 2 e- -> H2(g) + 2 OH-(aq) E = -0.83 VMg2+(aq) + 2 e- -> Mg(s) E = -2.37 VBased on the data above, electrolysis of an aqueous solution of MgI2, with inert electrodes, is expected to produceA) Mg at the cathode and I2 at the anode.B) H2 at the cathode and I2 at the anode.C) Mg at the cathode and O2 at the anode.D) H2 at the cathode and O2 at the anode.
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A steel pipe can be protected from corrosion by attaching the pipe to a piece of magnesium because
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Which of the following statements concerning the rusting of iron is false?
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