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A compound that contains 57.8 percent C, 3.6 percent H, and 38.6 percent O by mass. a. What is its empirical formula?
b. What is the molecular formula if the molar mass is 166 g/mol.
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acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.