Chemistry by OpenStax (1st Edition)

Chapter 3

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151.16 amu ; Molecular mass, in amu, is calculated... more

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310.18 amu ; Formula mass, having a unit of amu, ... more

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0.360 mol Be ; For this problem, the molar amount ... more

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504.5 g of Au ; For this problem, the mass of the ... more

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4.585 x 1022 Au atoms ; For this problem, the ... more

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0.073 mol C12H22O11 ; For this problem, the molar ... more

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14.2 g N2H4 ; For this problem, the mass of the ... more

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9.546 x 1022 C4H10 molecules9.546 x 1023 H atoms... more

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12.1% carbon (C), 16.1% oxygen (O), and 71.79% ... more

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69.9% Iron (Fe) ; The following are the guidelines... more

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N2O5 ; The empirical formula of a molecule shows ... more

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CH2O ; The empirical formula of a molecule shows ... more

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C8H10N4O2 ; The molecular formula of a compound is... more

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0.05 M ; Concentration is defined as the measure ... more

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80 mL of sweetened tea ; Molarity (M) is equal to ... more

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0.674 M ; Molarity (M) is one of the ways to ... more

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5.55 g CaCl2 ; Molarity (M) is equal to the moles ... more

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0.370 L KBr solution ; Calculate the volume of the... more

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0.102 M CH3OH ; Dilution is a process of reducing ... more

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3.76 L ; Dilution is a process used to obtain a ... more

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0.261 L of glucose solution ; Dilution is a ... more

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14.8% HCl by mass ; The mass percentage is equal ... more

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282 mL of concentrated HCl solution ; A ... more

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1.5 mol of ethanol (CH3CH2OH) ; The concentration ... more

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9.6 ppm; 9,600 ppb ; Parts per million (ppm) and ... more

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The compound has 2 carbon and 2 hydrogen atoms. ... more

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Determining the number of moles of a compound ... more

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Formic acid, HCO2H, because it has the largest ... more

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Formic acid (HCO2H) because it has twice as many ... more

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Molecular mass and molar mass are numerically the ... more

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8.4 x 10-3 mol leucine, C6H13NO2 ; Given the mass ... more

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4.5 x 1021 hemoglobin molecules4.8 x 102 grams ; ... more

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ElementsNumber of atomsZirconium, Zr2.038 x 1023 ... more

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1 mol CH4 ; Determination of the mass of hydrogen... more

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225 g Al2S3 ; Determination of the mass of ... more

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1.25 x 1022 atoms of carbon ; Given the quantity ... more

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3.113 x 1025 atoms of carbon ; Given the quantity ... more

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Recommended Daily Allowance:0.107 mol Na6.44 x ... more

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51.9 g of cereal which is equivalent to 0.865 ... more

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20.0 g H2O ; This is a problem solved by ... more

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Molecular mass or molar mass of the compound ; ... more

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Co(NH3)6Cl3 : 38.2% NH3 ; The percent composition ... more

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CuSO4·5H2O : 36.1% H2O ; Some compounds contain ... more

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Empirical formula: CH2O ; The empirical formula of... more

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Molecular Formula: C6H6 ; The molecular formula of... more

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Molecular Formula: C2H4Cl2 ; The molecular formula... more

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Molecular Formula: C15H15N3 ; The molecular ... more

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For the dilution of NaCl solution, its total ... more

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The number of moles of the dissolved sulfuric acid... more

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The two solutions are equivalent in terms of the ... more

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0.025 M ; Concentration is the measure of the ... more

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0.250 L or 250 mL ; Dilution is a process of ... more

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0.5000 L or 500.0 mL ; Dilution is a process of ... more

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0.350 M ; Dilution is a process of reducing the ... more

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1.9 mL ; Dilution is a process of reducing the ... more

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0.794 M ; Evaporation is a process of removing ... more

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0.5005 M ; Evaporation is a process of removing ... more

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11.9 M ; Concentration is the measure of the ... more

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42.0 mL ; Dilution is a process of reducing the ... more

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1.6 L ; The volume of the solution is calculated ... more

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4.8 x 10-6 M ; The molarity of the hexavalent ... more

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375 g NaOH solution ; Concentration expressed in ... more

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114 g solid NaOH ; The mass of solid NaOH is ... more

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19.9 g HCl ; Calculate the mass of the HCl in an ... more

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1.75 x 10-3 M ; The hardness of water given as 175... more

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3.4 x 10-9 M ; The unit parts per billion (ppb) is... more

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95 mg/dL  ; The concentration of glucose in the ... more

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0.148 M ; The molarity of the throat spray is ... more

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2.38 x 10-4 mol CuI ; Calculate the molar amount ... more

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1.1 M ; The molarity of the alcohol in the ... more

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0.29 M ; The molarity of the dextrose is computed ... more

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5.33 M ; The molarity of the sulfuric acid ... more

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