molar concentration
Homework Answers
mL solution: (100g)(mL/1.149g)= 87.03mL= 0.08703L
mol NiCl2: (15g)(mol/129.61g)=0.12mol
(0.12mol NiCl2)(2mol Cl-/1mol NiCl2)/0.08703L= 2.66M
Step2 Mass of NiCl2 = 1149x15/100
Step3 Molarity = 1149x15/100x129.61 =1.3298
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar...
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar concentration of NiCl2 in this solution.(b) the molar Cl− concentration of the solution.(c) the mass in grams of NiCl2 contained in each liter of this solution.
a 12.5% (w/w) nicl2 (129.61g/mol) solution has a density of 1.149 g/ml. calculate the molar...
a 12.5% (w/w) nicl2 (129.61g/mol) solution has a density of 1.149 g/ml. calculate the molar solution of nicl2
Calculate the molal (not molar) concentration: c) A 1% (w/w) solution of cocaine hydrochloride (molar mass...
Calculate the molal (not molar) concentration: c) A 1% (w/w) solution of cocaine hydrochloride (molar mass 339.81 g/mol) in water.
Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...
Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found in a well water sample at a concentration of 6.36 ppb. Assume the density of the water is 1.00 g/mL.
Calculate the concentration in mol/L, M, of an aqueous sugаr solution with a concentration of 22.5%...
Calculate the concentration in mol/L, M, of an aqueous sugаr solution with a concentration of 22.5% (w/w) and density of 1.070 g/mL at 25°C. The molecular weight of sugar is 342.30 g/mol. Report your answer to three significant figures. М.
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration for H2SO4 for the following situation. When 27 ml of it was completely titrated by 19 ml of 0.9 M KOH, 1 mol of acid was titrated by 2 mol of base. Give your answer in two significant figures. Provide your answer below: OM B FEEDBACK MORE INSTRUCTION tent attribution revious
how to find volume of NaOH, molar concentration of NaOH, and molar concentration of acid soultion?...
how
to find volume of NaOH, molar concentration of NaOH, and molar
concentration of acid soultion?
(14pts) Part A. Standardization of a Sodium Hydroxide Solution Table view Table 4. Calculations for standardization of sodium hyroxide List view Trial 1 Trial 2 Trial 3 [1] Tared mass of KHCH04 (9) 0.333 0.320 0.383 [2] Burette reading of NaOH, initial (mL) (3) Burette reading of NaOH, final (mL) 3.79 4.97 3.58 19.17 20.04 21.97 [4] Volume of NaOH, dispensed (mL) 15.38 15.07...
stuck on nimbers 5-10 that are blank. please help B. Molar Concentration of an Acid Solution...
stuck on nimbers 5-10 that are blank. please help
B. Molar Concentration of an Acid Solution Acid type, HA or H.A: PA Unknown No. mol NaOH =23 till mass mm + 40 mm Balanced equation for neutralization of acid with NaOH. 1. Volume of acid solution (mL) 2. Buret reading of NaOH, initial (mL) Sample 1 Sample 2 Sample 3 25.0 25.0 25.0 15.7mL 16. 2mL 16.7mL 39,8 ml 40.0mL 40.8ml 24.1mL 23.8mL 24.1mL mor & Avg= 24L 3. Buret...
B. Commercial nitric acid comes in a concentration of 16.0 mol/L. The density of this solution...
B. Commercial nitric acid comes in a concentration of 16.0 mol/L. The density of this solution is 1.42 g/mL Calculate the percent (w/w) of nitric acid, HNO3, in this solution. How many milliliters of the concentrated acid have to be taken to prepared 250 g of a solution that is 10.0%(w/w) HNO3? C. Citric acid, H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy. An aqueous solution...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentratio...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration for H, SO, in the following situation. When 54 ml of it was completely titrated by 25 ml of 1.2 M NaOH, 1 mol of acid was titrated by 2 mol of base. Give your answer in two significant figures. Provide your answer below: м FEEDBACK
Calculate the concentration in mol/L, M, of an aqueous sugаr solution with a concentration of 22.5% (w/w) and density of 1.070 g/mL at 25°C. The molecular weight of sugar is 342.30 g/mol. Report your answer to three significant figures. М.
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration for H2SO4 for the following situation. When 27 ml of it was completely titrated by 19 ml of 0.9 M KOH, 1 mol of acid was titrated by 2 mol of base. Give your answer in two significant figures. Provide your answer below: OM B FEEDBACK MORE INSTRUCTION tent attribution revious
how
to find volume of NaOH, molar concentration of NaOH, and molar
concentration of acid soultion?
(14pts) Part A. Standardization of a Sodium Hydroxide Solution Table view Table 4. Calculations for standardization of sodium hyroxide List view Trial 1 Trial 2 Trial 3 [1] Tared mass of KHCH04 (9) 0.333 0.320 0.383 [2] Burette reading of NaOH, initial (mL) (3) Burette reading of NaOH, final (mL) 3.79 4.97 3.58 19.17 20.04 21.97 [4] Volume of NaOH, dispensed (mL) 15.38 15.07...
stuck on nimbers 5-10 that are blank. please help
B. Molar Concentration of an Acid Solution Acid type, HA or H.A: PA Unknown No. mol NaOH =23 till mass mm + 40 mm Balanced equation for neutralization of acid with NaOH. 1. Volume of acid solution (mL) 2. Buret reading of NaOH, initial (mL) Sample 1 Sample 2 Sample 3 25.0 25.0 25.0 15.7mL 16. 2mL 16.7mL 39,8 ml 40.0mL 40.8ml 24.1mL 23.8mL 24.1mL mor & Avg= 24L 3. Buret...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration for H, SO, in the following situation. When 54 ml of it was completely titrated by 25 ml of 1.2 M NaOH, 1 mol of acid was titrated by 2 mol of base. Give your answer in two significant figures. Provide your answer below: м FEEDBACK
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