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A 1 mass % saline solution contains 1 g of NaCl plus 99 g of water.
Q2: Combustion of 5.00 mg of a compound
Q4: In which case is chlorine in its
Q25: When an unstable nucleus emits a beta
Q29: If the following ions Ba<sup>2</sup><sup>+</sup>, Cl<sup>-</sup>, K<sup>+</sup>
Q37: In the reaction 3O<sub>2</sub> (g)⇔ 2O<sub>3</sub> (g),
Q50: Which element is oxidized in the reaction
Q52: CH<sub>3</sub>Br is an alkyl halide.
Q66: A 2.154 g sample of an unknown
Q70: Consider the equation 2NH<sub>3</sub> (g)⇔ N<sub>2</sub> (g)+
Q184: Which of the following compounds has its