Homework Answers
Add Answer to:
final molarity of ammonium
The neutralization reaction between ammonium hydroxide (NH4OH, MM = 35.04 g/mol) and...
urgent!!! The neutralization reaction between ammonium hydroxide (NH4OH, MM = 35.04 g/mol) and phosphoric acid (H3PO4,...
urgent!!!
The neutralization reaction between ammonium hydroxide (NH4OH, MM = 35.04 g/mol) and phosphoric acid (H3PO4, MM = 98.00 g/mol) proceeds according to the following balanced eqation: 3NH4OH(aq) + H3PO4(aq) ->3H20(1) + (NH4)3PO4(aq) What is the final molarity of the ammonium ion (NH4+, MM = 18.05 g/mol) when 25.0 mL of 1.20 molar ammonium hydroxide is reacted with 25.0 mL of 2.00 molar phosphoric acid?
You need to prepare 200 mL of a 0.4 M solution of ammonium hydroxide (NH4OH) You...
You need to prepare 200 mL of a 0.4 M solution of ammonium hydroxide (NH4OH) You have 80 mL of a 0.5 M NHOH solution and 40 mL of a 7.5% (w/v) NH4OH solution. What volume of 7.5% NHOH and water needs to be added to the 80 mL of 0.5 M NH4OH solution to make up 200 mL of 0.4 M NH4OH? Molar mass of NH4OH 35.04 g/mol % (weight / volume) means mass (in g) in volume (100...
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L...
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L sodium hydroxide solution. H3PO4 (aq) + NaOH ----> H2O (l) + Na3PO4 (aq) a) Balance the molecular equation and write the net ionic equation. b) calculate the molarity of phosphoric acid. c) calculate the mass percent of phosphoric acid in the water mixture (density = 1.50 g/mL)
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L...
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L sodium hydroxide solution. H3PO4 (aq) + NaOH ----> H2O (l) + Na3PO4 (aq) a) Balance the molecular equation and write the net ionic equation. b) calculate the molarity of phosphoric acid. c) calculate the mass percent of phosphoric acid in the water mixture (density = 1.50 g/mL)
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L...
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L sodium hydroxide solution. H3PO4 (aq) + NaOH --> H2O (1) + Na3PO4 (aq) a) Balance the molecular equation and write the net ionic equation. b) calculate the molarity of phosphoric acid. c) calculate the mass percent of phosphoric acid in the water mixture (density = 1.50 g/mL)
1. A coffee cup calorimeter was used for the neutralization reaction of 100 mL of 1.00...
1. A coffee cup calorimeter was used for the neutralization reaction of 100 mL of 1.00 M hydrochloric acid with 100 mL of 1.20 M sodium hydroxide. The initial temperature was 22.88 °C and the final temperature was 29.39 °C. Calculate the calorimeter constant for the reaction. HCl (aq) + NaOH (aq) NaCl (aq) + H2O (∆H°rxn = -58.3 kJ/mol) 2. The same calorimeter was used for the dissolution of 8.86 g sample of lithium chloride in 100.0 mL of...
Worksheet 2 2. Calculate the concentration of each of the following solutions. Determine the molarity (mol/L)...
Worksheet 2 2. Calculate the concentration of each of the following solutions. Determine the molarity (mol/L) of a solution made by diluting 5.880 g of barium chloride to a final volume of 525.0 mL a. b. What is the molarity of a solution that dilutes 12.50 mL of 6.00 M HCI (hydrochloric acid) to a final volume of 1.50 L? If you combine 1.55 g of NH CI (ammonium chloride) with 2.38 g of CaCl, (calcium chlo- ride) and dilute...
20. Identify the neutralization reaction. Classify all of the reactions shown below. a) CH4 (g) +...
20. Identify the neutralization reaction. Classify all of the reactions shown below. a) CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l) b) MgBr2 (aq) + Cl2 (g) → MgCl2 (aq) + Br2 (l) c) HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l) d) BaCl2 (aq) + 2 AgNO3 (aq) → 2 AgCl (s) + Ba(NO3)2 (aq) 23) Calculate the mass and the number of the hydroxide ions in Ca(OH)2 required to react...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq)...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
1. Table 1 shows the temperature-time data were recorded for the reaction between 50.0 mL of 1.06 M HA (a we...
1. Table 1 shows the temperature-time data were recorded for the reaction between 50.0 mL of 1.06 M HA (a weak acid) and 50.0 mL of 0.90 MNH OH, ammonium hydroxide (a weak base, also known as aqueous ammonia) The solutions were mixed after 60 s of approximately constant temperature readings of 24.20°C. Table 1: Temperature-time Data Time (s) Temperature (C) Time (s) Temperature C) 31 90 24.25 30.9 105 24.22 15 120 30.8 24.20 30 30.7 135 24.20 45...
urgent!!!
The neutralization reaction between ammonium hydroxide (NH4OH, MM = 35.04 g/mol) and phosphoric acid (H3PO4, MM = 98.00 g/mol) proceeds according to the following balanced eqation: 3NH4OH(aq) + H3PO4(aq) ->3H20(1) + (NH4)3PO4(aq) What is the final molarity of the ammonium ion (NH4+, MM = 18.05 g/mol) when 25.0 mL of 1.20 molar ammonium hydroxide is reacted with 25.0 mL of 2.00 molar phosphoric acid?
You need to prepare 200 mL of a 0.4 M solution of ammonium hydroxide (NH4OH) You have 80 mL of a 0.5 M NHOH solution and 40 mL of a 7.5% (w/v) NH4OH solution. What volume of 7.5% NHOH and water needs to be added to the 80 mL of 0.5 M NH4OH solution to make up 200 mL of 0.4 M NH4OH? Molar mass of NH4OH 35.04 g/mol % (weight / volume) means mass (in g) in volume (100...
A 10.00 mL sample of phosphoric acid is titrated with 20.15 mL of a 2.50 mol/L sodium hydroxide solution. H3PO4 (aq) + NaOH --> H2O (1) + Na3PO4 (aq) a) Balance the molecular equation and write the net ionic equation. b) calculate the molarity of phosphoric acid. c) calculate the mass percent of phosphoric acid in the water mixture (density = 1.50 g/mL)
Worksheet 2 2. Calculate the concentration of each of the following solutions. Determine the molarity (mol/L) of a solution made by diluting 5.880 g of barium chloride to a final volume of 525.0 mL a. b. What is the molarity of a solution that dilutes 12.50 mL of 6.00 M HCI (hydrochloric acid) to a final volume of 1.50 L? If you combine 1.55 g of NH CI (ammonium chloride) with 2.38 g of CaCl, (calcium chlo- ride) and dilute...
1. Table 1 shows the temperature-time data were recorded for the reaction between 50.0 mL of 1.06 M HA (a weak acid) and 50.0 mL of 0.90 MNH OH, ammonium hydroxide (a weak base, also known as aqueous ammonia) The solutions were mixed after 60 s of approximately constant temperature readings of 24.20°C. Table 1: Temperature-time Data Time (s) Temperature (C) Time (s) Temperature C) 31 90 24.25 30.9 105 24.22 15 120 30.8 24.20 30 30.7 135 24.20 45...
Most questions answered within 3 hours.
-
You have a 825.3 mL sample of 2.754 M HA (Ka =
4.49⋅10−4). Calculate the pH...
asked 33 minutes ago -
The blues made its way into many kinds of music. Eric Clapton,
The Beatles, and Elvis...
asked 2 hours ago -
8. A wave in a string has a wave function given by: y (x, t) =...
asked 1 hour ago -
If you’re standing at the bottom of a hill and asked to evaluate
it while being...
asked 3 hours ago -
1. Which region has taken the lead in the world of
e-waste handling?
a) European Union...
asked 3 hours ago -
A 8.15- g bullet from a 9-mm pistol has a velocity of 366.0 m/s.
It strikes...
asked 4 hours ago -
The outstanding bonds of Alpha Extracts have a yield to maturity
of 7.4 percent and a...
asked 4 hours ago -
The Problem: The Case of the Harmonizing Vacations
Your CEO is exploring partnering with a European...
asked 6 hours ago -
A chemical equation is balanced by adding coefficients in front
of some formulas so that the...
asked 6 hours ago -
From the literature (reference your sources): What are the
lattice parameters of calcite and aragonite? Why...
asked 6 hours ago -
Your system is rejecting the question am asking which is
preceded by a case study. It...
asked 7 hours ago -
3. On January 2, 2000, Larry creates a trust with himself as
trustee. Larry as trustee...
asked 6 hours ago