Terry bought a gold necklace at a pawnshop and was wondering if it was “real” gold. She decided to perform a density test. She placed the necklace in a graduated cylinder of water that had 47.00 mL of water and the water rose to 48.35 mL. She then weighed the necklace and found it to have a mass of 22.89 g. What is the density of Terry’s necklace?
Answers: 3
Chemistry, 22.06.2019 22:40, lindseyklewis1p56uvi
Percent ionization for a weak acid (ha) is determined by the following formula: percent ionization=[ha] ionized[ha] initial×100%for strong acids, ionization is nearly complete (100%) at most concentrations. however, for weak acids, the percent ionization changes significantly with concentration. the more diluted the acid is, the greater percent ionization. a certain weak acid, ha, has a ka value of 9.4×10? 7.part acalculate the percent ionization of ha in a 0.10 m solution. part bcalculate the percent ionization of ha in a 0.010 m solution
Answers: 1
Chemistry, 23.06.2019 01:30, joyelewis58
Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely
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Terry bought a gold necklace at a pawnshop and was wondering if it was “real” gold. She decided to p...
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