Chemistry, 16.12.2019 10:31 BeautyxQueen
1. if it takes 67 ml of 0.15 m naoh to neutralize 134 ml of an hcl solution, what is the concentration of the hcl? (5 points)
2. if it takes 27.4 ml of 0.050 m h2so4 to neutralize 357 ml of koh solution, what is the concentration of the naoh solution? (5 points)
3. if it takes 55 ml of 0.5 m naoh solution to completely neutralize 130 ml of sulfuric acid solution (h2so4), what is the concentration of the h2so4 solution? (5 points)
4. explain the difference between an endpoint and equivalence point in a titration. (5 points)
Answers: 3
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Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
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1. if it takes 67 ml of 0.15 m naoh to neutralize 134 ml of an hcl solution, what is the concentrati...
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