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The Smith Wesson (SW) Model 28, also known as the Highway Patrolman, is an Nframe revolver chambered for the .357 Magnum cartridge, in production from …Pure water is neutral. When an acid is dissolved in water, the pH will be less than 7 (25 °C). When a base, or alkali, is dissolved in water, the pH will be greater than 7. A solution of a strong acid, such as hydrochloric acid, at concentration 1 mol dm −3 has a pH of 0.
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