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Question- When blood is donated, sodium oxalate solution is used to precipitate Ca2+, which triggers clotting. A 116mL sample of blood contains 9.7*10^-5g Ca2+/mL. A technologist treats the sample with 100 mL of 0.1550M Na2C2O4. Calculate [Ca^2+] after the treatment. (CaC2O4*H2O Ksp = 2.30*10^-9)
It is not a question in the book, so I just need the full solution of deriving!
A little confused on the difference between Resonance and Isomer structures. Can you explain these to me with examples. I am in Organic Chem.
Consider the following generic chemical equation. A+3B=C What is the limiting reactant when each of the following amounts of A and B are allowed to react. 1)1mol A, 4mol B 2)2mol A, 3mol B 3).5mol A, 1.6mol B 4)24mol A, 75mol B
when 0.981 g of tartaric acid is dissolved in 11.23g of water the solution freezes at -1.26 c. find the empirical and
Calculate the expected pH from a test solution made only with 2.0 mL of 2.5 M sodium acetate
Explain the following situations based on your gas solubility knowledge. a. It is a warm day and a manufacturing plant accidently spills heated wastewater into the White River. Dead fish are seen downstream from the plant.
Anthraquinone contains only carbon, hydrogen and oxygen as well as has an empirical formula of C2H4O.The freezing point of camphor is lowered by 22.3C when 1.32g anthraquinone is disolved in 11.4g camphor. Find out the molecular formula of anthraq..
A block of metal has a width of 3.2 rm cm, a length of 17.1 rm cm, and height of 4.5 cm. Its mass is 1.5 kg. Calculate the density of the metal.
28.98 mL of a 0.1962 mol/L EDTA solution is required to titrate a sample to the equivalence point. How many moles of divalent metal cations were in your sample?
Assuming that a neutron star has the same density as a neutron, calculate the mass in kilograms of a small piece of a neutron star the size of a spherical pebble with a radius of 0.10 mm.
In 1774, Joseph Priestley discovered that mercury(II) oxide decomposes on heating to elemental mercury and a gas, later called oxygen. If 56.0 g of mercury(II) oxide is heated and 26.0 % of it decomposes,
Question- If groundwater with alkalinity of (4x10^-3) equiv (L^-1) and PH=7.5 is pumped to the surface and exposed to atmosphere, how would its composition change
Will the concentration of Ni2+ increase or decrease as the cell operatres? c. What is the initial concentration of Ag+ in the cell?
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