If a 5.56 M aqueous solution of sodium hydroxide (NaOH, 40.00 g/mol) has a density of...
If a 5.56 M aqueous solution of sodium hydroxide (NaOH, 40.00 g/mol) has a density of 1.17 g/mL, what is the mole fraction of sodium hydroxide? {hint: assume 1 L of solution)
Homework Answers
Add Answer to:
If a 5.56 M aqueous solution of sodium hydroxide (NaOH,
40.00 g/mol) has a density of...
What is the density of 45.0 wt% aqueous NaOH (FM 40.00) if 17.0 mL of the...
What is the density of 45.0 wt% aqueous NaOH (FM 40.00) if 17.0 mL of the solution diluted to 1.78 L give 0.159 M NaOH? g/mL
A 2,560 mL aqueous sample contained 5.96 g of sodium hydroxide, NaOH. What is the pH...
A 2,560 mL aqueous sample contained 5.96 g of sodium hydroxide, NaOH. What is the pH of the solution at 25oC. (Na = 22.98 g/mol; O=16.0 g/mol, H=1.00 g/mol) Conversion 1000.0 mL = 1 L Molarity = moles/Liter
1a. An aqueous solution has a Molarity of 1.632 M. The density of the solution is...
1a. An aqueous solution has a Molarity of 1.632 M. The density of the solution is (1.150x10^0) g/mL and the solute has a molar mass of (1.33x10^2) g/mol. What is the molality of this solution? 1b. An aqueous solution has a mass percent of solute of 18.4%. The density of the solution is (1.400x10^0) g/mL and the solute has a molar mass of (1.77x10^2) g/mol. What is the molality of this solution? 1c. An aqueous solution has a molality of...
D 2. When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol)...
D 2. When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol) are mixed in 250.0 g water, the temperature of the solution increases by 10.3°C. Assume that the heat capacity of the solution is 4.18 J/(g °C). What is the molar enthalpy of neutralization of HCl by NaOH? 57.1 kJ/mol -57.1 kJ/mol 53.8 kJ/mol -53.8 kJ/mol 28.6 kJ/mol
Aqueous sodium hydroxide will react with aqueous hydrochloric acid in an acid-base reaction with a ΔHrxn0...
Aqueous sodium hydroxide will react with aqueous hydrochloric acid in an acid-base reaction with a ΔHrxn0 of -55.84 kJ/mole. If 25.0 mL of a 2.15 M hydrochloric solution is mixed with 25.0 mL of a 2.00 M sodium hydroxide solution (both solutions at 23.4 ºC initially), what will be the temperature of the solution when the reaction is over? Assume that the specific heat of all solutions is 4.184 J·g-1·°C-1, and that the density of all solutions is 1.00 g/cm3.
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a...
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
A 1.00 L aqueous solution contained 5.80 g of sodium hydroxide, NaOH. What was the pH...
A 1.00 L aqueous solution contained 5.80 g of sodium hydroxide, NaOH. What was the pH of the solution at 25°C.
When asked to give the concentration of a 25% aqueous sodium hydroxide solution and a 5% aqueous sodium hydroxide soluti...
When asked to give the concentration of a 25% aqueous sodium hydroxide solution and a 5% aqueous sodium hydroxide solution, will the concentrations just be 25 mol/L and 5 mol/L, respectively? Is a 25% aqueous sodium hydroxide solution just 25 M, and a 5% aqueous sodium hydroxide solution just 5 M?
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction...
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction of 0.081 and a density, ρ = 1.078 g/mL. Report your answer to THREE significant figures. 4b Calculate the molarity of a 41.2% by mass aqueous solution of copper (I) sulfate with a density, ρ = 1.177 g/mL. Report your answer to THREE significant figures. 4c Calculate the mole fraction of the solute of a 4.211 m aqueous solution of cadmium (II) bromide with...
You need to prepare a 2.10 M solution of sodium hydroxide (molar mass of sodium hydroxide=...
You need to prepare a 2.10 M solution of sodium hydroxide (molar mass of sodium hydroxide= 40.00 g/mol), but you only have 10 mL graduated cylinder and a 25 mL beaker. Complete the following sentences regarding the concentration of the prepared solution. 1. In order to prepare 10.0 mL (0.0100 L) solution of 2.10 M sodium hydroxide, a mass of ?? would be required. 2. When the solute and a total of 10.0 mL of water are both added into...
What is the density of 45.0 wt% aqueous NaOH (FM 40.00) if 17.0 mL of the solution diluted to 1.78 L give 0.159 M NaOH? g/mL
D 2. When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol) are mixed in 250.0 g water, the temperature of the solution increases by 10.3°C. Assume that the heat capacity of the solution is 4.18 J/(g °C). What is the molar enthalpy of neutralization of HCl by NaOH? 57.1 kJ/mol -57.1 kJ/mol 53.8 kJ/mol -53.8 kJ/mol 28.6 kJ/mol
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
Most questions answered within 3 hours.
-
Write a program to score the paper-rock-scissor game. Each of
two users types in either P,R...
asked 15 minutes ago -
Calculate the equillibrium constent K for a redox reaction that
has E°cell = -.98 V at...
asked 27 minutes ago -
A concave spherical mirror has a radius of curvature of
magnitude 19.6 cm.
(a) Find the...
asked 29 minutes ago -
3. draw a diagram of the magnetic field:
a. around a long straight wire with a...
asked 28 minutes ago -
If you titrated 30.0 mL of 0.1 M HCl with 0.1 M NaOH, indicate
the approximate...
asked 36 minutes ago -
NADH passes electrons into the electron transport chain. List
the carriers that would receive the electrons,...
asked 44 minutes ago -
A cylindrical cable with a resistivity of 1.6x10-8 Ω·m and cross
sectional area of 3x10-5 m^2...
asked 44 minutes ago -
True or False.
A consumer with convex preferences who is indifferent between
the bundles (5,2) and...
asked 48 minutes ago -
A diamond's index of refraction for red light, 656 nm, is 2.410,
while that for blue...
asked 1 hour ago -
Compare HPLC, SPE, and GC. Identify the differences, the
advantages, and the weaknesses of each method.
asked 1 hour ago -
Characteristic x-rays emitted by potassium have a wavelength of
0.374 nm. What is the energy of...
asked 1 hour ago -
there is a function to create two random numbers between 1 and
25 and a function...
asked 1 hour ago