If a solution contains equal concentrations of ions, the compound that will precipitate first is? Select the correct answer below: The most soluble compound. The compounds will all precipitate at the same time. The least soluble compound. There is no way of knowing which compound will precipitate first..
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- Which of the following represents a Buffer solution?The normal range of the sodium electrolyte in the body is 134 to 145 mEq/L. The term mEq is dependent on the charge of the ion. Since sodium is a +1 ion, 134 mEq/L is the same as 134 mmol/L. An ion that has a greater positive or negative charge; however, will have 1 mEq for each positive or negative charge of the ion for every 1 mmol. For example, for Ca+2, 2mEq/1mmol. If the standard range of Magnesium in the body is 0.70 to 0.95 mmol/L, convert this value into mEq/L for the Mg2+ ion. (Use dimensional analysis to figure this out)Give a name for the following: A solution that moderates changes in pH. Answer:
- Make a list of the five most critical qualities of an effective extraction buffer. Please provide a brief description of each.You are instructed to perform the following three serial dilutions of a salt solution: 1:8, followed by a 1:10, followed by a 1:20 dilution. What is the final dilution of the salt solution?A solution is prepared by dissolving 13.5 g of glucose in 0.100 kg ofwater. What is the mass percentage of the solute in the solution?
- Identify the type of solution.A 1.143 g sample contains only vitamin C (C,H, 0,) and sucralose (C,H,Cl, O,). When the sample is dissolved in water to a total volume of 31.7 mL, the osmotic pressure of the solution is 3.91 atm at 285 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose: %How is a mixture of ions separated using qualitative analysis? Group of answer choices Electrolysis of ions by variable voltage. Selective precipitation under acidic/basic conditions and electrolysis of ions by variable voltage. Selective precipitation under acidic/basic conditions. Selective precipitation under acidic/basic conditions and formation of complex ions. Selective precipitation under acidic conditions. Selective precipitation under acidic/basic conditions, formation of complex ions and electrolysis of ions by variable voltage. Formation of complex ions. Selective precipitation under basic conditions.