Calculate the molarity and molality

Assignment Help Chemistry
Reference no: EM13193949

Wastewater from a cement factory contains a 0.25g of Ca2+ ion and 0.056g of Mg2+ ion per 100.0 L of solution. The solution density if 1.001g/mL. Calculate the Ca2+ and Mg2+, molarity, molality, mol fraction, and the PPM. Please show examples.

Reference no: EM13193949

Questions Cloud

Prepare planning and threat assessment paper : Prepare planning and threat assessment paper dealing with the above scenario. The paper must reflect what you have learned. Be as specific as you can.
How many liters of paint will it take to paint all : a room measures 9 meters by 13 meters and the ceiling is 3 meters high. A liter of paint covers 16 square meters. How many liters of paint will it take to paint all but the floor of the room?
Calculation of perpetual equivalent annual worth of any cost : here are usually no costs for the first 3 years, but thereafter maintenance is re- quired for restriping, weed control, light replacement, shoulder repairs.
Find the general homogeneous solution : Find the general homogeneous solution
Calculate the molarity and molality : The solution density if 1.001g/mL. Calculate the Ca2+ and Mg2+, molarity, molality, mol fraction, and the PPM. Please show examples.
Compute the volume of household bleach : Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
What is the approx area the dog has to freely move about : A dog with a leash 5m in length is tied to the outside of a silo with a radius of 20m. What is the approx area the dog has to freely move about?
State what is the alkalinity of the river : What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
What is the order in which you need to do the calculation : Using the formula NI = [U * (P-VCu)] - FC, what is the order in which you need to do the calculation?

Reviews

Write a Review

Chemistry Questions & Answers

  What happens when the decomposition reaction occurs

When heated, all metallic hypochlorites decompose and produce oxygen. Considering this, what happens when the decomposition reaction occurs at an incident involving fire? Please reference your answer and tell me why.

  State what is the entropy of this system of molecules

Each molecule can also be in one of two orientations. What is the entropy of this system of molecules in boxes with two possible orientations.

  What is the percent yield of a reaction

What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?

  State hydrogen and nitrogen have different molecular weights

hydrogen and nitrogen have different molecular weights, so mass fractions will be different than mole fractions.

  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.

  Explain energy level to the ground state

An electron is confined to a one dimensional box of length L. It falls from the second energy level to the ground state, and releasee a photon with a wavelength of 322 nm

  What is the most common oxidation state of the chalcogens

What is the most common oxidation state of the chalcogens compared to the halogens? What is an explanation for the difference?

  What is the freezing point

A glucose solution contains 51.0 g of glucose in 475 g of water. What is the freezing point?

  Depict the mechanism for the ammonolysis of benzoyl chloride

draw the mechanism for the ammonolysis of benzoyl chloride

  What volume would it occupy

If the methane contained in 2.00 L of a saturated solution at 25 degrees C was extracted and placed under STP conditions, what volume would it occupy.

  Explain what is the mass of platinum required to solidify

What is the mass of platinum required to solidify all the gold? What is the change in entropy of the system? Cp(Pt, s) = 25.86J/mol*K ?H?fus(Au, s l) = 12550J/mol

  What is the weight of nacl formed

An excess of NaOH is treated with 1.1L of dry HCl gas (measured at STP). What is the weight of NaCl formed?

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