User Account

All Pages

What is the percentage of carbonate in the sample

Assignment Help Chemistry
Reference no: EM13709438

Problem- A 0.5063g sample of a mixture of sodium and potassium carbonates required 41.84 mL of a 0.2023 M HCl solution to react the titration endpoint.

A) What is the percentage of carbonate as CO3(2-) in the sample?

B) If it was all sodium carbonate, calculate the percentage as Na2CO3

C) If it was all potassium carbonate, calculate the percentage as K2CO3

You must show your work in an efficient manner so I can understand it in clearly

Reference no: EM13709438

Questions Cloud

Describe the impact of megatrends in supply : Based on your experience or readings, discuss how these mega trends affect the Purchasing and Supply Management professional in the exercise of his/her duties and responsibilities.
What are the differences between tryptohan and arginine : Problem- What are the differences between tryptohan and arginine in reference to mutation in PKU at position 408?
Explain the energy of an electron in an atom is quantized : Problem- Which of the following is/are correct postulates of Bohr's theory of the hydrogen atom? Provide written rationale. 1) The energy of an electron in an atom is quantized i.e. only specific energy values are possible.
How many photons are required to heat coffee : Problem- Suppose that the microwave radiation has a wavelength of 12cmcm . How many photons are required to heat 305mL of coffee from 25.0C to 62.0 C?
What is the percentage of carbonate in the sample : Problem- A 0.5063g sample of a mixture of sodium and potassium carbonates required 41.84 mL of a 0.2023 M HCl solution to react the titration endpoint. What is the percentage of carbonate as CO3(2-) in the sample
Give the detail about individualist versus collectivist : Selecting a research article that analyzes one of the cultural patterns such as collective versus individualistic social perception and gender perspective differences.
What concentration of naphthalene in grams per liter : What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm
Define a solution is prepared by dissolving nano2 : Problem- A solution is prepared by dissolving 0.65mol NaNO2 and 0.45mol HNO2 (Ka = 4.0 x 10-4) in 1.0L. If 0.20mol KOH is added what will be the pH? a) 2.92 b) 3.24 c) 3.40 d) 3.56 e) 3.93
Calculate the molar mass of the polymer : Problem- 3.00 g of a polymer is dissolved in an organic solvent. The volume of the solution is 150mL and an osmotic pressure of 76.0 torr is measured at 25oc. Calculate the molar mass of the polymer.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain mixture of potassium nitrate and charcoal

Crude gunpowders often contain a mixture of potassium nitrate and charcoal (carbon). When such a mixture is heated until reaction occurs, a solid residue of potassium carbonate is produced.

  State what concentration of this base will produce a ph

A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16

  What mass of oxygen should be present

Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS.

  What is the ph of a buffer prepared by adding of weak acid

Question- What is the pH of a buffer prepared by adding 0.405mol of the weak acid HA to 0.608mol of NaA in 2.00 L of solution. The dissociation constant Ka of HA is 5.66×10?7.

  You want to make the buffer but you find you are out

the most common buffer in mammalian tissue culture is aphosphate buffer. the three pkas of phosphoric acid are 2.167.21

  Explain the ph of a solution prepared by dissolving

What is the pH of a solution prepared by dissolving 0.250 mol of NH3 in sufficient water to make 1.00 L of solution (Kb NH3 = 1.8 x 10-5)

  Evaluate the molar mass in g/mol of the element

An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.06 , and the density of the crystal is 7.01. Calculate the molar mass (in g/mol) of the element.

  What is the value of x in product formula

Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?

  Explain manganese dioxide reacts with hydrochloric acid

Manganese dioxide reacts with hydrochloric acid as shown in the chemical equation MnO2(s) + 4HCl(aq)-->MnCl2O(l) + Cl2(g) What is the percent yield of the reaction if 5.75 g of H20 is obtained when 28g of MnO2 and 28g of HCl are mixed and allowed ..

  State the highest vapor pressure at room temperature

Given the following boiling point data, which one of the liquids would you expect to have the HIGHEST vapor pressure at room temperature

  State the electron transport chain complexes

The electron transport chain complexes that have higher electron affinities steal electrons from those with lower electron affinities.

  Define what is the total molar concentration of all the ions

What is the total molar concentration of all the ions in 0.030 M solutions of the following salts in water a) 0.030 M KCl = ________ M ions b) 0.030 M CuSO4 = _____ M ions c) 0.030 M CaCl2 = _______ M ions

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd