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Prepare a solution of CaCO<sub>3</sub> using percent composition by mass (13 %), molarity (2.5 M), molality (1.4 m), and normality (5.0 N).
Use of a standard commercial calcium solution, 1 g/L, is preferred. Alternatively this solution may be prepared by dissolving 2.5 g of calcium carbonate, CaC03, in sufficient hydrochloric acid (concentrated...
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7.45g KCl is dissolved in 50 mL water. Calculate the concentration of KCl in terms of molarity, molality and normality.
Mass of KCl = 7.45 gMolecular wt of KCl = 39 + 35.5 =74.5 gMoles of KCl = 74.5 / 7.45 = 0.1Molality = moles / mass of solvent (in...
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If you were moved 35ml of your solution and dilute the 35ml with water to a new volume of 250ml what is the new molarity
In chemistry, the molar concentration,C is defined as the amount of a constituent n divided by the volume of the mixture V. The molarity is some amount per one liter....
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A 25.0 mL sample of HCL was titrated to the endpoint with 15.0 mL of 2.0 N NaOH.What was the normality of the HCL?What was its molarity
The chemical equation is NaOH + HCl = NaCl + H2O According to the equation the amount of NaOH = the amount of HCl That's why we can write the...
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3.75M sulfuric acid solution that has a density of 1.23g/ml. Calculate the mass percent,molality and normality of sulfuric acid?H=1g/mol , O=16g/mol , S=32 g/mol
Solution:sulfuric acid = H2SO4The molar mass of H2SO4 = 2×Ar(H) + Ar(S) + 4×Ar(O) = 2×1 + 32 + 4×16 = 98 (g/mol).Suppose that the volume of the solution is...
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The use of normality as a method for expressing concentration is limited largely to acids and bases. Why is the use of normality unsuited to the expression of concentration for solution of salt?
Normality reflects the concentration equal to the gram equivalent weight per liter of solution. Gram equivalent weight indicates the reactive capacity of a molecule. For acid reactions, a 1 M...
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Calculate the weight of water in a 1.5 liters 95% nitric acid (HNO3) that has a specific gravity of 1.82. Express the concentration of solution in terms of Molarity, Normality and molality.
1) density = m/VMass of HNO3 = density x V = 1.82 x 1.5 = 2.73 kg% = (100 x m(solvent))/ (m(solvent) + m(solute))m(HNO3) = 95/100 x 2.73 = 2.59...
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A solution is 10% hydrochloric acid (HCl) by
mass, if a student has 250mL of solution what
other information would be necessary to
calculate the molarity (M) of the solution?
Density
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How to find the Molality, Molarity, and Normality of Sodium Hydroxide, Sulfuric acid, and Potassium Nitrate if the given is only volume (100 ml of each)
No way. For calculate that you also need to know at least mass % (or mass of NaOH, H2SO4, KNO3 that was dissolved) and density of solution. Or you can...
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what is normality test ?
why it is important to test error for normality?
Normality tests are used to determine if a data set is well-modeled by a normal distribution and to compute how likely it is for a random variable underlying the data...
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