User Account

All Pages

Calculate the number of grams phosphorus

Assignment Help Chemistry
Reference no: EM131430577

1.) The precipitate that you have formed is MgNH4PO4.6H2O.

a.) Calculate its formula weight (molecular weight). 

b.) From this formula and the mass of the percolate you obtained, calculate the number of grams phosphorus, P in the plant food.

c.) From the number of grams of phosphorus, calculate the number of grams of P2O5 in the plant food.

d.) Calculate the %P2O5 in the plant food. How does your value compare with the value listed on the plant food label?

2.) Amber R Coyler, by mistake, started the experiment with 2.86 grams of another type of fertilizer- " Hyponex plant powder" that has an NPK label of 7-6-19. At the end of the experiment ,she obtained a precipitate with a mass of 0.165 g. Calculate the % P2O5. in the plant food. How does her value compare to the value shown on the label?

Reference no: EM131430577

Questions Cloud

Calculate the molar solubility of thallium : Calculate the molar solubility of thallium(I) chloride in 0.731 M NaCl at 25o C. Ksp for TlCl is 9.05 x 10-8. Report your answer as the negative log of the molar solubility, answer = -log(molar solubility).
Discuss the strategies for choosing a career : Imagine you work in a career counseling center. You have been tasked to put together a brochure discussing choosing a career in psychology. Use the information from the Occupational Outlook Handbook to assist in writing your brochure.
How will the change of leadership influence future direction : How will the change of leadership influence the future direction of an organization? Is it more important to appoint a successor that mimics the same leadership qualities or to modify the leadership styles within an organization?
What are the expected counts : At a university, 15 juniors and 20 seniors volunteer to serve as a special committee that requires 8 members. A lottery is used to select the committee from among the volunteers. Suppose the chosen students consists of six juniors and two seniors.
Calculate the number of grams phosphorus : a.) Calculate its formula weight (molecular weight). b.) From this formula and the mass of the percolate you obtained, calculate the number of grams phosphorus, P in the plant food. c.) From the number of grams of phosphorus, calculate the number of ..
What is the variance of p : What is the variance of Pˆ2 for the two-sided test (assuming that p is not close to 0.5, where p is the true one-sided P-value?)
Pause-reflect on current stage of your professional career : Pause and reflect on the current stage of your professional career (ruasturant manager ). Are you planning any changes? If so, what changes are you contemplating to make? What strategies are you planning to formulate in order to reach your future car..
Would it be easy for perlman to take the ethical action : According to the IMA's Statement of Ethical Professional Practice, would it be ethical for Perlman not to report the inventory as obsolete? Would it be easy for Perlman to take the ethical action in this situation?
Examine the various writing techniques : Write a 700 to 1500 word analysis of this article. Break the article down and examine the various writing techniques employed by the author (i.e. Ethos, Pathos, Logos, point of view, style, and audience).

Reviews

Write a Review

Chemistry Questions & Answers

  Define what is the pka for the pyridium cation

What is the pKa for the pyridium cation. Pyridine + H2O Pyridium cation + OH- Kb = 1.71 *10^-9 A. pKa for the pyridium cation = 3.9 B. pKa for the pyridium cation

  Calculate the value of the rate constant

The reaction A=B+ C is second order in A. when [A}0=0.100M, the reaction is 20% complete in 35 minutes. Calculate the value of the rate constant in ( L/min.mol)

  Calculate the ph of a solution

A typical aspirin tablet contains 325 mg of acetylsalicylic acid ( HC9H7O4). Calculate the pH of a solution that is prepared by dissolving five aspirin tablet(s) in one cup (237 mL) of solution. Assume the aspirin tablets are pure acetylsalicylic ..

  Question if one starts with pure no2g at a pressure of 0500

question if one starts with pure no2g at a pressure of 0.500 atm the total pressure inside the reaction vessel when

  Define a sample of gallium(iii) sulfite

Problem- A sample of gallium(III) sulfite, Ga2(SO3)3, contains 1.95 mol of sulfite ions. The number of moles of gallium(III) ions in the sample is

  How many grams of sulfur (s) are needed

How many grams of sulfur (S) are needed to react completely with 355g of mercury (Hg) to form HgS?

  Define equations for acid-base reactions

Complete and balance each of the following equations for acid-base reactions. Express your answer as a chemical equation. Identify all of the phases in your answer.

  What mass of water would need to evaporate

What mass of water would need to evaporate from your skin in order to dissipate 1.7 × 105 J of heat from your body? H2O(l) → H2O(g) ΔHvap = 40.7 kJ/mol

  Is the system at equilibrium

The equilibrium constant, Kp , for the reaction CO(g) + H2O(g)-> CO2(g) + H2(g) at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor

  Find out the identity of the aqueous solutions

Write a proposed procedure in chart format to determine the identity of the following aqueous solutions: HCl, Na2C2O4, Al(NO3)3, AgNO3, Mn(NO3)2, ZnCl2, H2O2, NH4Cl, Ba(NO3)2, Na2CO3, NA2S2O3.

  Magnesium carbonate was added to 25cm cubed of 20 moldm

magnesium carbonate was added to 25cm cubed of 2.0 moldm cubed of nitric acid. they react in the following reaction

  Define why two layers formed when 3 m naoh

Explain why two layers formed when 3 M NaOH was added to the ether solution after the initial separation. What solvents do the two layers represent? Which solvent forms the upper layer? Why?

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