Chemistry, 23.09.2019 15:30 freemanjskg
Why does the electrical conductivity of ionic compounds change when they are dissolved in water?
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What is the main reason why some developing countries fear the increase the free trade policies around the world?
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A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Why does the electrical conductivity of ionic compounds change when they are dissolved in water?...
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