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What is the mole ratio for Potassium and Sodium in the balanced equation? 2 Na + K2S β 2K + Na2S
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Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble
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What is the percentage of hydrogen in nitrogen trihydride
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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
What is the mole ratio for Potassium and Sodium in the balanced equation?
2 Na + K2S β 2K + Na2S...
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