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[DOCX File]bksharmakvs
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8. What do mean by molarity .Calculate the molarity of NaOH in the solution . prepared by dissolving its 4 g in enough water to form 250 mL of the solution. Ans. 0.4 M . 9. Define –(a) Average atomic mass (b) Molecular mass (c) Formula mass . 10. Express the following in the scientific notation with 2 significant figures- (a) 0.0048 (b ...
difference between molarity and moles

[DOC File]Chapter 13 worksheet #1
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Concentration Units. molarity (M) moles of solute / liter of solution (most commonly used unit of concentration) molality (m) moles of solute / kg of solvent . Compare to molarity and notice differences in the denominator. (L vs kg; solution vs. solvent) Molality is independent of temperature so it is used for calculating boiling point elevation
relation between molarity and molality

[DOCX File]Name Date
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We expect that the density increases with increasing sugar concentration, but is the increase linear or nonlinear? There are many ways to express concentration, such as weight percent, parts per thousand (ppt), molarity (M), molality (m), and mole fraction (X); does the way that we express the concentration affect the linearity of the plot?
moles vs molality

[DOC File]EXPERIMENT 12 - Colligative Properties
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molality. is used in place of molarity. Molality (m) is the number of moles of solute. per 1 kilogram (or 1000 grams of solvent. For example, a two molal (2 m) solution contains two. moles of solute dissolved in 1 kilogram of solvent. Example 1. Calculate the molality of a solution prepared by dissolving 36.0 g of glucose, C6H12O6, in 400.0 g ...
molarity vs molality vs normality

[DOC File]SOLUTIONS
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UNITS OF CONCENTRATION: MOLALITY (m): Molality = Determine the molality of a solution prepared by dissolving 20.0g of CaCl2 in 500g of water. 20 g CaCl2 1 mol = 0.18 mol CaCl2. 111.1 g 0.18 mol CaCl2 = 0.36 mol CaCl2 = 0.36m 0.5 Kg H2O 1 Kg H2O . 500 g H2O = 0.5 Kg H2O
molality and molarity

[DOCX File]North Hunterdon-Voorhees Regional High School District
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MOLARITY, provide. the formula to calculate it and its units. 4. Define . MOLALITY, provide the formula to calculate it and its units. 5. Define . MASS PERCENT, provide the formula to calculate it and its units. 6. Describe what the term “like dissolves like” and provide an example of each.
molarity and molality formula

[DOCX File]Atomic Structure - Mr. Kuhn's Science
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Molarity is one of about a dozen ways to measure the concentration or strength of a solution. Other ways include molality, mole fraction, % by volume, % by mass, or normality. However, molarity seems to be the most commonly used method.
concentration vs molarity

[DOC File]Chemistry Worksheets
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V vs. T at constant P. What would be the partial pressure of N2 in a container at 50 °C in which there is 0.20 mole N2 and 0.10 mole CO2 at a total pressure of 101.3 kPa? What volume of Ne at one atm and 25.0 °C would have to be added to a sign having a volume of 250 mL to create a pressure of one mm Hg at that temperature?
difference between molarity and molality

[DOC File]Chapter 1
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Mole Fraction, Molarity, and Molality • Common expressions of concentration are based on the number of moles of one or more components. • Recall that mass can be converted to moles using the molar mass. • Recall: • Note: Mole fraction has no units. • Note: Mole fractions range from 0 to 1. • Recall:
difference between molarity and moles

[DOC File]Solution is a homogeneous mixture of 2 or more substances ...
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Units of Solution Concentration: Percent by mass . Molarity . Molality. Percent by Mass. Number of solute grams dissolved in 100 g of solution. % by Mass = __Solute Mass_____ __ x 100 . Mass solute + Mass solvent. 10 g of sodium hydroxide is dissolved in 90 g H20 % mass of solute = 10 g NaOH_____ x 100. 10 g NaOH + 90 g H2O
relation between molarity and molality

Molarity vs molality units