Explain potassium phosphate and potassium chloride

Assignment Help Chemistry
Reference no: EM13182696

1- Suppose 0.976g CuCl2 and 0.775g of Na3Po4 were reacted. What is the percentage yield of Cu3(Po4)2 if 0.430g of Cu3(PO4)2. was isolated? (Use 380.12g/mol for Na3PO4 and 170.48g/mol for CuCl2 and 434.60 g/mol for CU3(PO4)2 ).Be sure to check for the limting reactant.

2- A mixture contains both potassium phosphate and potassium chloride. What is the percentage of potassium phosphate in this mixture if reaction of 0.401g of this mixture with excess copper (II) chloride yields 0.213g of copper (II) phosphate? (Assume that the potassium phosphate is not hydrated.

Reference no: EM13182696

Questions Cloud

What government policy response would you recommend : Suppose there is a permanent fall in private aggregate demand for a country's output (a downward shift of the entire aggregate demand schedule). What is the effect on output? What government policy response would you recommend?
Brominated biphenyls pbb is created through an electrophilic : Brominated biphenyls (PBB) is created through an electrophilic aromatic bromization out of the hydrocarbon biphenyl.
How much is the dollar overvalued-undervalued : you are given the following information. the current dollar-pound exchange rate is 2 dollar per pound. A u.s. basket that costs 100dollar would cost 120 dollar in the UK. For the next year , the fed is predicted to keep US inflation at 2% and the ..
State what will the concentration of equilibrium : If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of HCONH2 be at equilibrium?
Explain potassium phosphate and potassium chloride : A mixture contains both potassium phosphate and potassium chloride. What is the percentage of potassium phosphate in this mixture if reaction of 0.401g of this mixture with excess copper (II) chloride yields 0.213g of copper (II) phosphate?
How might this policy be exasperating the recession : According to theory, if you lower interest rates, business investments and consumer purchases of large durable goods are supposed to increase. In return, this is to help pull us out of a recession. However, this policy of extraordinarily low inter..
State what volumes of sulfur dioxide and dihydrogen sulfide : What volumes of sulfur dioxide and dihydrogen sulfide gases are necessary to produce 11.4 L of water vapor? The balanced equation is SO2 + 2 H2S à 3 S + 2 H2O.
What happens if the economy is producing a level of output : we know that when an economy starts out at long-run equilibrium and the government cuts taxes, this will result in inflation int he long run. what happens if the economy is producing a level of output below the full employment (long run equilibriu..
Describe why the form of the equilibrium constant : Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the amount of heat liberated

Calculate the amount of heat liberated (in kJ) from 437 g of mercury when it cools from 61.0°C to 12.0°C.

  What concentration of aqueous nacl solution freezes

what concentration of aqueous NaCl solution freezes at -15.2 C? the freezing point of pure water is 0.0 C and Kf of pure water is -1.86 C/m.

  What is the laboratory air pressure in atm

The air in a laboratory was measured with a barometer to be 7.40 x 10^2 mm Hg. What is the laboratory air pressure in atm?

  How many moles of urea (60. g/mol) must be dissolved

How many moles of urea (60. g/mol) must be dissolved in 100. g of water to give a 1.9 molal solution?

  What is the rate constant for the reaction

If it takes 66.8 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?

  Explain the presence of a medium intensity band near

The presence of a carboxyl band near 1640 cm-1 and two bands near 3000 cm-1 is good evidence of an alcohol B) The presence of a sharp, medium intensity band near 2720 cm-1 and a strong carbonyl band near 1700 cm-1 is good evidence of an alcohol

  Explain the oh bond so that a hydrogen ion dissociates

The compound Mg(OH)2 is basic, but Si(OH)4 is an acid (silicic acid). Why? Select all that apply. 1. The OH groups attached to the silicon atom in Si(OH)4 strengthen the OH bond so that a hydrogen ion dissociates when the compound is dissolved in ..

  Explain what is the theoretical yield of chromium

What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the following equation?

  How many pounds of strawberries are to make a pound jam

To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..

  What is the molarity of the original hf solution

A 10.00 mL sample of a solution of hydrofluoric acid,HF, is diluted to 500.00 mL. A 20.00 mL sample of the diluted solution requires 13.51 mL of a 0.1500 M NaOH solution to be titrated to the equivalence point.

  Explain a sample of radiopharmaceutical

Key by key on calculator how would I solve for x in 0.2=(0.5)^(x/14.2)? -Original question that brought me to that point-"The half-reaction of 32P is 14.2 days

  Calculate the amount of n2 gas released

Calculate the amount of N2 gas released (in liters at 37oC and 1 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.80 atm.

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!

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