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Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
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Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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When water ionizes, What two ions are formed?...
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