Calculate the hydroxide ion concentration of the following solution: 2.7 x 10 ^ 9 M HClO4

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What type of reaction is zn + cucl2 → cu + zncl2?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

The boiling point of liquids is very high what does it indicate