Compute the concentration of all species
Sodium azide (NaN3) is sometimes added to water to kill bacteria. Calculate the concentration of all species in a 0.010 M solution of NaN3. The Ka value for hydrazoic acid (HN3) is 1.9 * 10-5.
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An acetic acid/acetate buffer system would be the best choice for experiments at pH = 5.00. What mass of sodium acetate trihydrate (NaCH3CO2•3H2O) and what volume of 6.00 M acetic acid stock solution should be used to prepare 1.50 L of a pH =
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A 1: 1.8: 4.5 mix has a water/cement ratio of 0.6 and a cement content of 300 kg/m3. The temperature of the ingredients are as follows: cement 180C, aggregate:300C, water:20 0C.Assuming that the aggregate has negligible absorption, calculate th
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