factors that allow you to convert between theamount of solute and its corresponding amount ofsolution Examples of units of concentration areshown below for an equivalent ratio of potassiumiodide (KI) amount over solution amountConventionalConcentration expression ofConvertsbetweenthe ratio0.3 M KI0.3 mol KIL solutionmoles of soluteand volume ofsolutioncontaining thatamount ofsolutemass of solute5g Kl5% KIand the mass ofsolution100 g solution containing thatmass of soluteUnits of Concentration: Molarity and Mass Percentfactors that allow you to convert between theamount of solute and its corresponding amount ofsolution. Examples of units of concentration areshown below for an equivalent ratio of potassiumlodide (KI) amount over solution amountConventionalConcentration expression cthe ratioConvertsbetween0.3 M KI0.3 ml KlL solutionmoles of soluteand volume ofsolutioncontaining thatamount ofsolutemass of soluteand the mass ofsolution5% KI5g Kl100 g solutioncontaining thatmass of soluteReview Constacts Periodic TablePart APotassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person or animalthat ingests it. The median lethal dose of KCN for a person weighing 175 lb (79.4 kg) is 9.75×10 mol.What volume of a 0.0550 M KCN solution contains 9.75x10 mol of KCN?Express the volume to three significant figures and include the appropriate units.View Available Hint(s)μÅ?Volume ValueUnits15 of 23 >Review Constants I Periodic TablePart BGastric acid pH can range from 1 to 4, and most of the acid is HCLFor a sample of stomach acid that is 9.80x10 Min HCI, how many moles of HCI are in 15.8 ml of the stomachacid?Express the amount to three significant figures and include the appropriate units.View Available Hint(s)HÅamount of HCI-UnitsValue

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units of concentration are quivalent ratio of potassium wer solution amount ventional ression of Converts between the ratio moles of solute and volume of solution 3 mol KI solution containing that amount of solute mass of solute 5g Kl and the mass of solution containing that mass of solute Part A Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person or animal that ingests it. The median lethal dose of KCN for a person weighing 175 lb (79.4 kg) is 9.75x10 mol What volume of a 0.0550 M KCN solution contains 9.75x10 mol of KCN? Express the volume to three significant figures and include the appropriate units. View Available Hint(s) μÅ Volume Value Units

units of concentration are quivalent ratio of potassium wer solution amount ventional ression of Converts between the ratio moles of solute and volume of solution 3 mol KI solution containing that amount of solute mass of solute 5g Kl and the mass of solution containing that mass of solute Part A Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person or animal that ingests it. The median lethal dose of KCN for a person weighing 175 lb (79.4 kg) is 9.75x10 mol What volume of a 0.0550 M KCN solution contains 9.75x10 mol of KCN? Express the volume to three significant figures and include the appropriate units. View Available Hint(s) μÅ Volume Value Units

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Subject--chemistry
Oxygen is soluble in water, much to the benefit of aquatic life forms. At 25 °C, the solubility of oxygen is about 7×10–6 g/cm3, and the pressure of O2 is about 20% of the atmospheric pressure. Could the oxygen dissolved in water affect your experimental results significantly?
Use the solubility curve below to answer the following questions: 150 140 130 120 110 100 NANO3 90 80 70 60 NH&Cl KCI NaCi 50 40 30 20 KCIO3 10 Ce2(SOals O 10 20 30 40 50 60 70 80 90 100 Temperature (c) Q1) As the temperature increases, the solubility of the NH3 in water Q2) The solute, NH3, is MOST likely a (increases/decreases/stays the same). (solid, liquid, or gas). Q3) How many grams of NH4CI are dissolved in 500 g of water at 90 °C? Q4) If you had 50 grams of NH4CI in 100 g of water at 40 °C, would the solution be saturated, unsaturated, or supersaturated? Q5) You heat a solution of KCIO3 to 80°C and saturate the solution. You then allow the solution to cool down to 50°C. How many grams of solute would precipitate out of the solution? NH3 per 100 g H,0 Grams of solute ONO CON
1/T (K-¹) 2 N₂O5(g) → 4NO2(g) + O₂(g) K(S-¹) 4.87 x 10-3 1.50 x 10-³ 4.98 x 10-4 1.35 x 10-4 3.46 x 10-5 7.87 x 10-7 T (K) 338 0.0030 328 0.0030 318 0.0031 308 0.0032 298 0.0034 273 6.0037 The data in the table above provide the temperature dependence of the rate constant for the reaction shown. Complete the table with required information to 2 significant figures each. - a=-12571.42 In K, no units 5.3 - 6.5 7.6 8.9 Carefully construct a neat and well labelled graph/plot of In K (y-axis) versus 1/T (x-axis) in the appropriate quadrant (s), using EXCEL or the template below; then determine the slope and activation energy, Ea for the given reaction. Recall that the Arrhenius Equation is represented in a more useful form as In K= In A- (Ea/RT) & R= 8.31 x 10-³ kJ/mol-K. Determine by calculation, the value of Ea in kj/mole given that, slope = -E/R slope: - Ca = slope & - Ga= €ag Ea=-(-12571.42) x (8.3) x 10 Rg/mol-K) Ea=104.47 kj/md 10.3 - 14.1 Y = (-14.1)-(-5.3) = -8.8 x = (0.0037) -…
Concentration is the amount of solute dissolved in a certain amount of solution: amount of solute concentration of a solution amount of solution Solution concentrations are usually given as one of the following: Mass percent (m/m)–the mass of the solute in grams for exactly 100 g of solution Volume percent (v/v)–the volume of solute in exactly 100 mL of solution Mass/volume percent (m/v)–the mass of solute in grams for exactly 100 mL of solution Molarity (M) – the number of moles of solute in exactly 1 L of solution Part A Calculate the mass percent (m/m) of a solution prepared by dissolving 56.79 of NaCl in 155.2 g of H2O. Express your answer to four significant figures. • View Available Hint(s) ? Mass percent (m/m) = % %3D
A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make exactly 100 mL of solution. Calculate the concentration (molarity) of MgSO3 in mol/L (M). 1.71 mole MgSO3/L 2.71 mole MgSO3/L 3.17 mole MgSO3/L 2.17 mole MgSO3/L
The solubility in acetone of organic compound O is measured and found to be 0.762 that would contain 38.0 g of O at this temperature. Be sure your answer has the correct unit symbol and 3 significant digits. 0 x10 0.0 X μ 010 at 25. °C. Calculate the volume of a saturated solution of O in acetone mL
g at 10. °C. Calculate the volume of a saturated solution of X in water that mL The solubility in water of ionic compound X is measured and found to be 0.339 would contain 360. mg of X at this temperature. Be sure your answer has the correct unit symbol and 3 significant digits.
22. Use dimensional analysis
Calculate the normality of each of the following solutions. ___________ a. 0.250 M HCl ___________b. 5.3 x 10-2 M H3PO4 ___________c. 0.134 M NaOH ___________d. 0.00521 M Ca(OH)2 .
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What is a colligative property? O A property that depends on the number of particles in solution, but not on the nature of the particles. O A property that relates the temperature of a gas to the pressure of the gas. O A property that depends on the specific chemical behavior of the constituent elements and not on the amount in solution. O A property that can only be measured when the moles of gas are constant. O A property that enhances the solubility of a molecule in water.