Which of the following pairs contains a cation and an anion? Why?
a. Ca & Al
b. Mg &...
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Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.
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Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
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Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
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Who examines and coordinates the cleanup of polluted sites?
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