Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

1) The method you are using determines total water hardness - suggest another experimental technique which can provide both Ca and Mg concentrations independently. This may involve a similar method (i.e. titrimetric) or a completely different method.

2) Why is it important to know the concentration of the EDTA solution accurately?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M92231740
  • Price:- $10

Priced at Now at $10, Verified Solution

Have any Question?


Related Questions in Chemistry

The threshold wavelength for the photoelectric effect for

The threshold wavelength for the photoelectric effect for silver is 262nm. What is the work function for silver and what is the maximum KE of an emitted electron if the incident light has a wavelength of 212nm?

1 suppose 1000 ml of an aqueous solution containing an

1. Suppose 100.0 mL of an aqueous solution containing an unknown monoprotic acid (called HA) is titrated with 0.150 M KOH. The titration requires 47.82 mL of the potassium hydroxide to reach the equivalence point. What i ...

A hydrogen atom emits a photon as its electron changes from

A hydrogen atom emits a photon as its electron changes from n = 5 to n = 2. For the H atom, E n  = -2.18E-18*(1/n 2 ) J. What is the wavelength (in m) of the photon?  ( ) m The number of significant digits is set to 3; t ...

What is the molarity of a solution made by dissolving 200 g

What is the molarity of a solution made by dissolving 20.0 g of CrCl2 in 0.150 L of solution?

Consider the following reactioncog cl2nbspg

Consider the following reaction. CO(g) + Cl 2  (g)  > COCl 2  (g)  The mechanism is believed to be, (1) Cl 2     2Cl (fast equilibrium) (2) Cl + CO   COCl (fast equilibrium) (3) COCl    + Cl 2  > COCl 2  + Cl (slow) (4) ...

Sodium sulfide 117 g reacts with hydrochloric acid 167 ml

Sodium sulfide (11.7 g) reacts with hydrochloric acid (16.7 ml, 12.0 M) to yield sodium chloride and hydrogen sulfide. What is the theoretical yield (g) of hydrogen sulfide?

Questionwhat is the ph of the solution that results from

Question: What is the pH of the solution that results from mixing 10.00ml of 0.050 M perchloric acid with 30.00ml of 0.040 M barium hydroxide

A student finds that the mass of an object is 662 kg she is

A student finds that the mass of an object is 6.62 kg. She is told that her measurement has an error of 12.3%. What is the true mass (in kg) of the object?

A 440 g sample of an unknown metal at 990nbspoc was placed

A 44.0 g sample of an unknown metal at 99.0  o C was placed in a constant-pressure calorimeter of negligible heat capacity containing 80.0 mL water at 24.0  o C. The final temperature of the system was found to be 28.4  ...

Consider two acids hcn and Consider two acids HCN and HNO2:                     

Consider two acids HCN and HNO2:                      HNO2   +   H2O      NO2-    +   H3O+ Ka = 5.1 x 10-4          HCN   +   H2O        CN-     +  H3O+   Ka = 2.1 x 10-9  Which of the following statements is/are true? A ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As