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A boy titrates fifty mili litres of apple juice and observes the given(Final buret reading- 17.86 mL, Initial buret reading- 1.98 mL) in the titration to the phenolphthalein end(commonly used indicator for titrations) with.1011 M sodium hydroxide. determine the concentration of the total available acid of the apple juice express your answer in moles/L?
A particular diatomic molecule which contains H exhibits a 16.95 cm^-1 spacing between its rotational lines and bond length of 141.5 picometers. Determine the mass (in amu) of the unknown atom in the molecule.
Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
Calculate ΔHo fusion and ΔSo fusion for the substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. ?
Determine the mole fraction of HO2CCH2CHOHCO2H in this solution?
Find either the wood oak or pine if The given density of oak = 0.9 g/cm 3 , the density of pine = 0.4g/cm 3 .
Determine how many grams of Phosphorus tri-fluoride will be produced when 40.1 g of F2 mix, and the reaction has a 78.1% yield?
Determine what is the observed rate for the given reaction - empirically determined rate
Write down a net ionic equation for any reaction that forms a precipitate and discover the anions that make gas upon adding of hydrochloric acid
can you find out the name and formula of the unknown compound and determine the identity of the element?
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
Differ from the ideal pressure? The value For N 2 gas is given as , a = 1.390 L2atm/mol2 and b = 3.910E-2 L/mol.
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