Chemistry, 10.03.2021 16:30 doggylover8655
What is the concentration of a solution that has 2.5 mol NaCl dissolved in 0.5 L of water?
Answers: 1
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
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Chemistry, 23.06.2019 02:30
Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .
Answers: 2
What is the concentration of a solution that has 2.5 mol NaCl dissolved in 0.5 L of water?...
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