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Determine the mass (in g) of each NaCl solution that contains 1.5 g of NaCl. (a) 0.058% NaCl by mass (b) 1.46% NaCl by mass (c) 8.44% NaCl by mass

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When baking soda (sodium bicarbonate or sodium hydrogen carbonate, \(\mathrm{NaHCO}_{3}\)) is heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, donuts, and bread, (a) Write a balanced equation for the decomposition of the compound (one of the products is \(\mathr

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Write Lewis structures for BrF3, ClF5, and IF7. Identify those in which the octet rule is not obeyed.

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The lumbar region is ________. a. inferior to the gluteal region b. inferior to the umbilical region c. superior to the cervical region d. superior to the popliteal region

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Many transportation systems, such as the Washington, D.C., Metro (subway), charge higher fares during rush hours than during the rest of the day. Why might they do this?