User Account

All Pages

What weight of nah2po4 was present originally

Assignment Help Chemistry
Reference no: EM131147274

in a gravimetric determination 4 of P , an aqueous solution of dihydrogen phosphate ion ( H2PO4 - ) is treated with a mixture of ammonium and magnesium ions to precipitate magnesium ammonium phosphate [ Mg( NH4)PO4,6H20 ]. This is heated and decomposed to magnesium pyrophosphate (Mg2P2O7), which is weighed . A solution of H2PO4- yielded 1.054 g of Mg2P2O7 . What weight of NaH2PO4 was present originally

Reference no: EM131147274

Questions Cloud

Most important challenges which this patient population face : You have been asked by senior management within the hospital you currently work, which provides health care services for a substantial population of patients covered by Medicare insurance, to define 3 of the most important challenges which this patie..
Did the readings change your perception of human rights : You might recall from Week 3 the importance of ethical reflection when determining the impact of your actions as a public administrator. Engaging in a similar type of reflection when reviewing literature in the field also can help you determine th..
Compare us poverty rates with ghana west africa : Compare domestic conditions to world poverty in other regions. Compare U.S. poverty rates with Ghana West Africa.
What is the projected finished goods inventory : What is the projected finished goods inventory at end of March? Will this schedule meet the forecasted demand for each of the 3 months? If not, which month(s) will be short and by how many cases? If we experience 3.7% downtime, what will the March en..
What weight of nah2po4 was present originally : This is heated and decomposed to magnesium pyrophosphate (Mg2P2O7), which is weighed . A solution of H2PO4- yielded 1.054 g of Mg2P2O7 . What weight of NaH2PO4 was present originally
Minimum amount of square footage required for production : We have our product designed, our annual demand forecast and know our manufacturing processes. A vacant “green field” site has been selected. How much space do we need? Using the numbers above, what is the minimum amount of square footage required fo..
What is % of na2co3 in mixture : 2 g sample containing Na2CO3 and NaHCO3 losses 0.248 g when heated to 300 oc , the temperature at which NaHCO3 decomposes to Na2CO3 and H20 . What is % of Na2CO3 in mixture
What legal justification does davis give for secession : What legal justification does Davis give for secession? According to Davis, what role did slavery play in bringing about the Civil War? What is the "property" described in this document?
Does this workplace use scientific management : Does this workplace use scientific management? How? How do you think this affects the workers? Do you think the workers experience emotional labor? Describe. Do you think the workers experience alienated labor? Which type(s) of alienation? Descri..

Reviews

Write a Review

Chemistry Questions & Answers

  What are the first two ionization energies of calcium and

what are the first two ionization energies of calcium and zinc? based on the values which metal would you expect to be

  Compute molar mass of the unknown compound based on given

calculate the molar mass of an unknown compound based on the following data. a mixture containing 1.11g of the unknown

  How to find out the [h3o+] and [oh-]

Determine the [H3O+], [OH-], pH, and pOH for each of the following solutions. A solution of 1.65 x 10-4 M HCl

  A sample of ice 270-g at -130degc is combined with water of

a sample of ice 27.0-g at -13.0degc is combined with water of 114.0 grams at 80 degree celsius. compute the final

  Compute the ph after the amounts of naoh

Calculate the pH after the following amounts of NaOH are added. A) 0mL NaOH added( before the titration started)

  Define factor determines whether a carbon atom in a compound

What factor determines whether a carbon atom in a compound is chiral? Draw the Lewis structure for each of the following functional groups: alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine.

  Explain hexagonal crystal structure assuming the lattice

Determine the atomic packing factor (APF) of the simple hexagonal crystal structure assuming the lattice parameter a is equal to 2R and the lattice parameter c is equal to 1.5 a. Assume one atom on each lattice point

  Explain what is the optical purity of the sample

A sample containing both enantiomers is found to have an observed rotation of +0.87 degrees in a one dm tube at a concentration of 0.025 g/mL. What is the optical purity of the sample? What is the % of the dominant enantiomer in this sample?

  Compute the volume of oxygen,measured at stp

Calculate the volume of oxygen,measured at STP, produced by the decompistion of 2.87 g of potassium chlorate.

  Ethylene oxideeo is prepared by the vapor-phase oxidation

ethylene oxideeo is prepared by the vapor-phase oxidation ofethylene. its main uses are in the preparation of the

  Explain the lewis structure of hoch2ch2oh

In the Lewis structure of HOCH2CH2OH, how many valence electrons need to be shown and how many pairs of electrons are bonding and how many are non-bonding

  A skeleton structure of the repeating unit of the polyester

Draw the skeleton structure of the repeating unit of the polyester made from this molecule via a condensation reaction

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