The specific gravity of gasoline is 0.95. Calculate the density of gasoline in terms of the following units: lbm a. Density in ft3 kg b. Density in m3 kg lbm (Note: The density of water is 62.43 in English Units and1000 9 in SI Units.)

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Q: 2) What is the product in the following reactions? + HBr

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Q: 2- How can you prepare 500ml of 5% NaOH solution ?

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A: Molarity=0.750Mvolume=500mLmolar mass of KI=166g/molmass of KI=?

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A: One gram in one liter is 1000 ppm.  1g1000 = 0.001g in 1 L  = 1 ppm1 ppm = 1 mg/L

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.