Calculate the atomic mass of n relative to h
"The gas is a compound of hydrogen and nitrogen in the atomic ratio 1: 3. A sample of ammonia which is having 1.712 g H and 7.933 g N. calculate the atomic mass of N relative to H?"
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.Determine the absorbance of the solution if its concentration is 0.0278 M and its molar extinction coefficient is35.9 L/(mol cm). The depth of the cell is 5 mm.
How can develop the Henderson-Hasselbalch equation for buffers starting from a buffer solution that contains a weak acid (HA) and its conjugate base (A-)?
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How long does it take for the water to reach the boiling point? The specific heat of copper is 0.385 J/(g*°C). A 300.0 g copper pan containing 800.0 mL of water is put on the stove.
Determine the number of grams of NH4Br that have to be dissolved in 1.00L of water at the 25degrees C to have a solution with a pH of 5.16
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Based upon the report from the Department of Game and Fish, a researcher wished to determine how much trout weigh in Trout Creek. A random sample of 5 trout where captured, weighed, tagged and released; the weights recorded in pounds were 2 lb, 4
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