Mol concentration calculator
[DOC File]Chapter 13 worksheet #1
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(Hint: Use the density and molar mass of water.) What happens to the concentration of water when a solute is dissolved in it? (1000 g/L) / 18.0 g/mol = 55.6 mol/L. The concentration of water decreases as a the concentration of a solute increases because the solute occupies some of the volume and the water molecules are pushed apart. 4
[DOC File]Carbondioxide in water equilibrium
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Thus with the CO2 concentration range in water calculated above we calculate for the pH range: clow = 0.029 mol/l ( pH = 3.95. chigh = 0.056 mol/l ( pH = 3.81. Verification has been done using the basic equation via a numeric solution in excel employing the goal seek function. The same pH values as derived above are found.
[DOC File]CHEMICAL KINETICS: THE RATES AND MECHANISMS OF …
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Concentration of reactants--more molecules, more collisions. 3. ... mol/(L hr) Initial concentration [A]o Initial concentration [B]o 1 0.50 x 10-2 ... Using the graphing calculator: Set up your calculator so that time is always in L1 and the y-list is alphabetical!
[DOC File]Calculations
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A 0.01 M solution is equivalent to 10 mM and contains 10 mmol/L or 10 mol/mL ( 5 mol in 0.5 mL. This 5 moles is now in a final volume of 20 mL ( 5 mol/20 mL ( 250 M or 0.25 mM. The key to doing this problem is to convert the concentration to sensible units i.e. M ( mol/mL.
[DOC File]AP Chemistry
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When 0.60 mol of CS2(l) reacts as completely as possible with 1.5 mol of O2(g) according to the equation above, the total number of moles of SO2(g) is (A) 0.60 mol (B) 1.0 mol (C) 1.2 mol (D) 1.5 mol. Questions 15-16 refer to an experiment to determine the heat of fusion of ice.
[DOC File]Stoichiometry Worksheet 1 (Mole-Mole Conversions)
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1 mol Li3N. 3 mol LiOH. 23.9 g LiOH. 34.7g Li3N. 1 mol Li3N. 1 mol LiOH = 0.79g LiOH How many grams of lithium nitride would react with 4.05g of H2O? 4.05g H2O. 1 mol H2O. 1 mol Li3N. 34.7g Li3N. 18.0g H2O. 3 mol H2O. 1 mol Li3N = 2.60g Li3N In the combustion of 54.50g of butane (C4H6), how many grams of CO2 are produced? Write and balance the ...
[DOC File]Equilibrium Worksheet
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At equilibrium it was determined that the concentration was 0.33 mol/L. Calculate the Keq for this reaction. PCl5(g) ⇌ PCl3(g) + Cl2(g) MR 1 1 1 I 1.10 0 0 C -x +x +x E 1.10-x =0.33 x x x= 0.77. Therefore the Keq value for the reaction is 1.80. Gaseous dinitrogen tetroxide is placed in a flask and allowed to decompose to nitrogen dioxide and ...
[DOC File]NATIONAL QUALIFICATIONS CURRICULUM SUPPORT
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= 0.0303600 mol (calculator answer) The concentration measurement has the fewer number of significant figures, i.e. 2, and so, according to the above rule, the result must be quoted to 2 significant figures. The calculator answer is therefore rounded off to give: number of moles of solute = 0.030 mol …
[DOC File]Determining the Concentration
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Test Tube Concentration (mol/L) Absorbance 4 0.32 3 0.24 2 0.16 1 0.04 5 Unknown DATA ANALYSIS. Your lab report should contain the following information: a graph showing the data and linear-regression equation for the standard solutions. the molar concentration of your unknown CuSO4 solution
[DOC File]Converting mass of a DNA band into moles:
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330 (g/mol)/b. 330 g / ( mol ( b ) Double-stranded: 660 grams per mole per base pair. 660 (g/mol)/bp. 660 g / ( mol ( bp ) Example problem: Find the number of moles which compose a 1.5kb band whose mass was determined to be 120 ng (by gel comparison to standards).
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