nathanscastr02
26.07.2019 •
Chemistry
You are given two aqueous solutions containing different ionic solutes (solution a and solution b). what if you are told that solution a has a greater concentra- tion than solution b by mass percent, but solution b has a greater concentration than solution a in terms of molality? is this possible? if not, explain why not. if it is possible, provide example solutes for a and b, and justify your answer with calculations.
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Ответ:
Ответ:
sodium chloride and lead (II) acetate
potassium sulfate and strontium iodide
chromium (III) nitrate and sodium phosphate
1. 2NaCl + Pb(CH3COO)2 → 2NaCH3COO + PbCl2
2. K2SO4 + SrI2 → KI + SrSO4
3. Cr(NO3)3 + Na3PO4 →CrPO4 + NaNO3