Define what is hardness of ground water

Assignment Help Chemistry
Reference no: EM13196708

A 50ml sample ground water is titrated with 0.0350M EDTA. Ca2+ accounts for all hardness in ground water. If 14.70ml EDTA is required to titrate the 50ml sample, what is hardness of ground water, and molarity in ppm of CaCO3 by mass?

Reference no: EM13196708

Questions Cloud

State what ir peaks of your cyclohexanone product : What IR peaks of your cyclohexanone product are characteristic of the ketone group? What IR peaks of cyclohexanone will indicate it is impure? for a carboxylic acid, such as adipic acid?
Find out the ph and the concentration of all species : determine the pH and the concentration of all species in a 0.01 M H2Su solution(closed system). develop the pC- pH diagram ( calculate the species concentrations and graph using a software. indicate on the pC-pH graph where your solution point lie..
Draw the diagram calculate to what ph the waste : An industrial wastewater contains 2000 mg/L of total Ammonia as N, 490 mg/L of total Ni and has no inorganic carbon. The PH = 2.8. Using the diagram calculate to what pH the waste must be adjusted to so that the total Ni concentration is 1 mg/L.
How liquid are the firms : How liquid are the firms - Are the firm's managers generating adequate operating profits on the company's assets and how are the firms financing their assets?
Define what is hardness of ground water : If 14.70ml EDTA is required to titrate the 50ml sample, what is hardness of ground water, and molarity in ppm of CaCO3 by mass?
What is the required return : The Timberlake-Jackson Wardrobe Co. has 10 percent coupon bonds on the market with nine years left to maturity.  The bonds make annual payments.  If the bond currently sells for $1,145.70, what is its YTM?
State the heat of combustion for a specific compound : If the heat of combustion for a specific compound is -1170.0 kJ/mol and its molar mass is 46.49 g/mol, how many grams of this compound must
How to carry out a calorimetry : How to carry out a calorimetry experiment to determine the delta H for the exothermic reaction of Ca(OH)2 (s) and HCl (aq). Predict how each of the following will affect the calculated value of Delta H.
Define level in the end connected to the gas manifold : An open end manometer constructed from a U-shaped tube was operated using an oil which has a density of 1.088 g ml-1. In a particular measurement, the level in the end connected to the gas manifold, on which the experiment was being conducted,

Reviews

Write a Review

Chemistry Questions & Answers

  Explain compounds of reactions

Compounds of Reactions, Explain why compound A reacts 9000 times faster than compound B at 0 degrees

  Calculate the specific heat capacity of the metal

If 69.5 kJ of heat is applied to a 1025 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.

  Use the information in the table of bond enthalpies

Use average bond energies to calculate the energy released when 1 mole of acetylene gas (ethyne, C2H2) reacts completely with O2(g) to form gaseous products. Use the information in the Table of Bond Enthalpies which is in the Chemistry Tables link..

  How many grams of water vapor were formed

A hydrogen-filled balloon was ignited and 2.00 gram of hyrdogen reacted with 16.0 g of oxygen. How many grams of water vapor were formed?

  Define what is the flow rate of the gasoline and kerosene

What is the flow rate, m3, of the gasoline and kerosene stream coming off the first column? 2 - What is the composition of m7, the heating oil and lubricating oil stream coming off the second column?

  What is the solid remaining

Given a solution containing 0.01M of lead chloride and 0.01M of lead chromate, calculate the concentration of Pb2+. Using the Ksp(PbCl2)=1.7x10^-5 and Ksp(PbCrO4)=1.77x10^-14. What is the solid remaining?

  How many moles of carbon dioxide will be produced

How many moles of CO2 will be produced in the combustion reaction starting with the 15.02 grams of ethane.

  Determines what is the silver ion concentration

Using a solution prepared by adding 467 mL of 0.400 M silver nitrate with 421 mL of 0.503 M sodium phosphate then determines what is the silver ion concentration in? Ksp of silver phosphate = 2.8 × 10-18

  What is the average speed of a co2 molecule

If the average speed of an oxygen molecule is 4.43 multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?

  What volume of the liquid should he use

An experiment requires 42.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.

  What is the new volume of the gas

A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?

  What is the wavelength of the n = 3 standing wave

A 6 cm string is fastened at both sides is plucked. What is the wavelength of the n = 3 standing wave? How many nodes does it contain.

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