Compute the morality of a solution made by dissolving

Assignment Help Chemistry
Reference no: EM13225928

(a) Calculate the morality of a solution made by dissolving 0.750 grams of Na2 SO4 in enough water to form exactly 850 mL of solution.

(b) How many moles of KMnO4 are present in 250 mL of a 0.0475 M solution?

(c) How many milliliters of 11.6 M HCl solution are needed to obtain 0.250 mol of HCl?

Reference no: EM13225928

Questions Cloud

Find the value of the policy variable : Find the value of the policy variable, a, that expresses the amount of implied safety stock in this system.
Who are the most important stakeholders : McDonald's vision is to be the world's best quick service restaurant experience. Being the best means providing outstanding quality, service, cleanliness, and value, so that we make every customer in every restaurant smile.
Explain the solution formed by mixing : Indicate the concentration of each of ion present in the solution formed by mixing
Which type of wires to use minimize resistance of the wire : In US, electric wires are classified based on their gauge numbers. The larger the gauge number is, the smaller the diameter of the cross-section of the wire becomes. You are given four different types of wire with gauge numbers 1, 3, 7, and 8.
Compute the morality of a solution made by dissolving : Calculate the morality of a solution made by dissolving 0.750 grams of Na2 SO4 in enough water to form exactly 850 mL of solution. How many moles of KMnO4 are present in 250 mL of a 0.0475 M solution?
Identify the range of stakeholders : Identify the range of stakeholders who will have an interest in thesocial marketing problem that you have highlighted. You might ?nd it useful to use Mendelow's matrix to analyse and categorise the information.
Differences between organisms in the domains bacteria : Discuss the similarities and differences between organisms in the domains Bacteria and Archaea.
What is the theoretical thermal noise level : Earth-based 802.11a or 802.11g wireless LAN standards transmit data using a bandwidth of 16.56 MHz. What is the theoretical thermal noise level (in V) in an ideal receiver operating with an input impedance of 50 ohms
Describe theoretical titration curve for the titration : Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the expected freezing point of an aqueous solution

What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.

  What is the new pressure of the gas

A 10.0 balloon contains gas at a pressure of 640 torr. What is the new pressure of the gas at the 22.0 liters volumes if there is no change in temperature.

  What is the molarity of a solution

What is the molarity of a solution prepared by dissolving 4.92 g of calcium nitrate, Ca(NO3)2, in 250 mL of water? (The molar mass of Ca(NO3)2 is 164 g/mol.)

  Explain the simple shell model of the atom is correct

Choose the answer in which the three atoms and/or ions are listed in order of increasing EXPECTED size (smallest particle listed first) assuming that the simple shell model of the atom is correct.

  How many moles of calcium ions are in 1l of cacl2

how many moles of calcium ions are in 1L of a 2.0M solution of CaCl2

  How many kilocalories are released by the combustion

If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.41 mol of glucose?

  Explain stock solutions of tris base and tris acid

If you have 0.05M stock solutions of Tris Base and Tris Acid, how much of each would you use to make 100 ml of 0.05M Tris buffer at pH 8.8? The pKa of Tris is 8.3.

  State an organic material is extracted from water

An organic material is extracted from water. The separatory funnel containins 10 mL of ether and 20 mL of water. Considering that the K (partition coefficient) value is 3.2,

  What mass ratio of sugar to water is required

what mass ratio of sugar to water is required to raise the boiling point of a sugar solution 145 degrees celcius?

  How many moles of vinyl chloride are present

The allowable concentration level of vinyl chloride,C2H3Cl , in the atmosphere in a chemical plant is 2.4×10-6 .How many moles of vinyl chloride in each liter does this represent? How many molecules per liter?

  Describe the large disparity in the numerical results pf

Explain the large disparity in the numerical results pf Part (a). Discuss the advantages and disadvantages of the three energy sources.

  Explain clf3 decomposed to give an equilibrium mixture

When 9.25 g of ClF3 was introduced into an empty 2.00 L container at 700.0 K, 19.8 % of the ClF3 decomposed to give an equilibrium mixture of ClF3, ClF, and F2.

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