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What is the molarity of Na if the concentration of sodium ion in a standard solution is 1000 ppm?
Wiki User
∙ 13y ago
1000 ppm = 1 part per 1000. Sodium is 40 atomic weight and to be 1 molar there would have to be 40 parts per thousand.
So the molarity is 1/40 = 0.025 M
Wiki User
∙ 13y ago
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