Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

a) What is the recommended daily allowance (RDA) of calcium, in mg, assuming a 2000 calorie diet for a 25 year old adult?

b) A student carries out part 1 of this experiment and finds the equation for his/her calibration curve to be:

E(mV) = 39.030 + 28.823 log[Ca2+]

For the second part of the experiment, the student measures 5.7517 g of dried milk, prepares 50.00mL of milk solution from the dried milk, and measures the potential of the milk solution to be -42.97 mV. If the student were to drink this milk solution, what percent of his/her RDA of Ca would be satisfied?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M9457470

Have any Question?


Related Questions in Chemistry

1 consider the reaction when aqueous solutions

1. Consider the reaction when aqueous solutions of  nickel(II) bromide  and  sodium carbonate  are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...

A chemist addsnbsp750 ml of anbsp192mnbspnickelii

A chemist adds 75.0 mL of a 1.92 M  nickel(II) chloride (NiCl2) solution to a reaction flask. Calculate the millimoles of nickel(II) chloride the chemist has added to the flask. Round your answer to 3 significant digits.

The earth receives approximately 2 x 1014 kjs of solar

The Earth receives approximately 2 x 1014 kJ/s of solar energy. What mass of solar material is converted into energy each second to produce this much energy

A glucose is a carbonate that your body can burn for fuel

a) Glucose is a carbonate that your body can burn for fuel. It is 40 percent C and 6.71 percent H by mass. The rest is O. What is the empirical formula of glucose b) The molar mass of glucose os 180.0 g/mol. what is the ...

1 the speedway clinical laboratory is a scientific

1. The Speedway Clinical Laboratory is a scientific blood-testing facility that receivessamples from local hospitals and clinics. The blood samples are passed through severalautomated tests, and the results are printed t ...

What would an increase in the metal wire mass indicate when

What would an increase in the metal wire mass indicate when the metal wire starts to form copper on it from a chemical reaction from 6M HCl and copper (II) sulfate pentahydrate? What would a decrease in the metal wire ma ...

When 356 g of an unknown hydrocarbon was dissolved in 125 g

When 3.56 g of an unknown hydrocarbon was dissolved in 125 g of benzene, the freezing pointof the solution was found to be 4.41oC. Analysis of thehydrocarbon showed that it contained 93.71% carbon (by mass) and6.29% hydr ...

Draw the molecule by placing atoms on the grid and

Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.

Hydrogen peroxide was catalytically decomoposed and 753 ml

Hydrogen peroxide was catalytically decomoposed and 75.3 mL ofoxygen gas was collected over water at 25 degrees celsius and 742torr. What mass of oxygen was collected? (Pwater =24 torr at 25 degrees celsius)

Consider the following reactiona gnbspnbspb grarrc

Consider the following reaction. A (g) + B (g) → C (g) + D (g) *In one experiment the concentration of A (g) was monitored in the presence of a large excess of B (g) ( [B] o  = 0.750 M ) . Time (s) [A] (mol/L) 0.00 6.00 ...

  • 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