Explain the concentration of li2s in the original solution

Assignment Help Chemistry
Reference no: EM13530751

1. How many milliliters of a 90 mL solution of 1.7 M K2SO4 must be used to make 65 mL of a solution that has a concentration of .91 M K+?

2. A 17 mL sample of a solution of Li2S was diluted with water to 79 mL. A 60 mL sample of the dilute solution was found to contain 1.3 M Li+. What was the concentration of Li2S in the original undiluted solution?

 

Reference no: EM13530751

Questions Cloud

Electron transport system-intestinal enzymes : Intestinal enzymes. In the electron transport system, FAD receives electronsdirectly from
State mechanism converting 1-phenylethanol to benzyl alcohol : Show the mechanism forming p-toluic acid (p-methylbenzoic acid) from benzene. Show the mechanism converting 1-phenylethanol to benzyl alcohol
Calculate the normal force acting on the box : A large box of mass 50kg lies on a frictionless inclined plane at an angle of 30º. What is the Normal Force acting on the box
Hemoglobin in normal cell and hemoglobin in sickle cell : What sort of major secondary structures are shown in each of these models? Describe the difference in structure between HbA and HbS.
Explain the concentration of li2s in the original solution : A 17 mL sample of a solution of Li2S was diluted with water to 79 mL. A 60 mL sample of the dilute solution was found to contain 1.3 M Li+. What was the concentration of Li2S in the original undiluted solution
Compute the work done by each one : a person pulls a 10kg weight across a floor a distance x=2.0m by pulling on a rope with 50N directed 15 degrees above the horizontal. compute the work done by each one
Difference in structure between hba and hbshemoglobins : Describe the difference in structure between HbA and HbShemoglobins. Describe as many specific bacterial toxins as you can,their regulation (if known), mode of action, similarities and/ordissimilarities.
Explain how many moles of na+ are in the new solution : When 27 mL of a 150 mL stock solution containing 2.11 M Na2S is diluted to 74 mL, how many moles of Na+ are in the new solution
What is the smallest radius she can make the turn : A highway engineer wants to design a horizontal turn so that a car with mass 623 kg can go 16.8 m/s around curve. what is the smallest radius she can make the turn

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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