Chemistry, 19.03.2020 21:50 SMURFETTE86
Sodium phosphate is added to a solution that contains 0.0070 M aluminum nitrate and 0.052 M calcium chloride. The concentration of the first ion to precipitate (either Al3+ or Ca2+) decreases as its precipitate forms. What is the concentration of this ion when the second ion begins to precipitate?
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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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Sodium phosphate is added to a solution that contains 0.0070 M aluminum nitrate and 0.052 M calcium...
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