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[DOC File]CHEMISTRY LAB
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LAB: Molar Volume of a Gas . determined via a reaction between magnesium and hydrochloric acid. Introduction. This lab will investigate the relationship between the volume of hydrogen gas generated compared to the moles of hydrogen gas generated – in other words, you will be finding the liters per mole of hydrogen gas.
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[DOCX File]Number of moles of solute - Central Bucks School District
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A rabbit pours 500.00 mL of a 3.0000 molar solution of sodium hydroxide into a 2.000 liter volumetric flask and fills the flask up with water. What is the new molarity of the solution? 0.50000 L
convert mg ml to molar concentration

[DOC File]Honors Chem: Molar Volume of Hydrogen Gas
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fill 400-mL beaker to the 300-mL mark with tap water so it adjusts to room temperature. ... Volume of dry hydrogen gas STP per mole of Mg reacted (mL) CALCULATIONS. 01. Your EIGHT calculations (underlined above) must follow your sample lab for credit. ... Compare your experimental value of the molar volume to the theoretical value at STP by ...
mg ml to mol l

[DOC File]Solutions and Dilutions
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Molar Solutions: A mole of a compound dissolved in enough water or other solvent to make exactly one liter (L; 1000 mL) of solution at 20 C is a molar (M) solution. Percentage Solutions: X % = X g of solute in 100 mL of solution.
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[DOC File]Experiment 6
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The concentration of Fe (FW = 55.85) in the solution measured was 5.6 x 10-3 mg/mL. Calculate the molar absorptivity constant for the complex. Assume that b, pathlength, is 1.00 cm. Note: The molar concentration of Fe equals the molar concentration of the complex since all the iron is bound to chloride.
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[DOC File]CHE 499 (Spring 99)
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The molar feed consists of 67% H2 and 33% o-cresol at a total molar rate of 40 mol/min. Neglecting pressure drop, plot the rate of reaction of o-cresol and the partial pressure of each species as a function of catalyst weight (to 4.8 kg). What is the ratio of catalyst weight needed to achieve the last 5% conversion (from 93 to 98%) to the ...
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[DOC File]Sample Lab Report: Molar Volume Of Hydrogen
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Length of Mg ribbon 1 cm 1 cm 1 cm Mass of Mg 0.00789 g 0.00789 g 0.00789 g (3.25 x 10-4 moles) Volume of H2 gas produced 8.4 ml 8.5 ml 8.45 ml (0.00845 L) Temperature 23 oC 23 oC 23 oC Barometric pressure 735 mmHg 735 mmHg 735 mmHg Partial pressure of H2O 21.1 mmHg 21.1 mmHg 21.1 mmHg Pressure of H2 gas produced (Barometric –H2O pressure ...
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[DOC File]LABORATORY REPORT COVER PAGE - Penn Engineering
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Its concentration was measured by measurement of the mass of the dried solid and was found to be 13.298 mg/mL with a standard deviation of ( 0.126 mg/mL. This is equivalent to a molar concentration of 2.046 ( 0.019 x 10-4 mol/L. Also used was a phosphate buffered saline solution provided by the lab staff. This solution was used to buffer the ...
mg ml to molar calculator

[DOC File]The Molar Volume of a Gas
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Room temperature: 28.0°C Mass of 1 m of Mg: 1.378 g Barometric pressure: 747 mmHg Length of Mg strip: 4.6 cm Mg + 2Hcl --> MgCl2 + H2 Gas volume collected: 61.3 mL
moles to mg l

[DOC File]Chapter 3 Important Chemical Concepts: Expressing ...
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414 mg X 103 mL X 1g X 1 mol = 1.68 X 10-3 M. 750 ml 1 L 103 mg 329 g/mol. Molar Concentration of K+. X 10-3 M X 3 = 5.03 X 10-3 M. Molar Concentration of Fe(CN)3-6. Moles of K3Fe(CN)6 = Moles Fe(CN)3-6. X 10-3 M of K3Fe(CN)6 = 1.68 X 10-3 M of Fe(CN)3-6. d) weight/volume % of K3Fe(CN)6 ...
convert mg ml to molar concentration

Mg ml to molar