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Exactly solution of Sodium carbonate of 50.0ml was titrated with 65.8ml of 3.00M hydrochloric acid. Determine what percent by weight of sodium carbonate does it contain If the specific gravity of the sodium carbonate solution = 1.25,?
Perform whatever separations and tests you think necessary to determine which ions are in fact present
there are 4 catalysts and mechanisms. is there a pattern? what key intermediate would you observe for most of these catalysts? how are they significant?
Calculate the fraction of atoms in a sample of argon gas at 400K that have an energy of 10.0 KJ or greater.
A 75.0 mL sample of acetic acid (HC2H3O2) is titrated to the equivalence point with 25.0 mL of 0.400 M NaOH. What is the molarity of the acetic acid solution?
using a flow diagram show the separation of a mixture containing p-bromoacetanilide
When magnesium burns in air, it forms an oxide and a nitride. Write balanced equations for the formation of both compounds.
In the reaction below, 7.57 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 11.8, calculate the equilibrium pressure of Br2.
If the molecular weight of a molecule is 180, how many grams would be required to make 100 milliliters of a 2 molar solution
Calculate the pH, [CH3CH2NH2], and [CH3CH2NH3+] at the following stages of the titration. i) before the addition of any HI solution. ii) after the addition of 20.0 mL of HI solution. iii) at the equivalence point. iv) after the addition of 60.0 mL..
Student B's results are 8.4 g/cm^3, 8.8 g/cm^3, 8.3 g/cm^3. Compare the two sets of results in terms of precision and accuracy.
Separating the components of a ternary mixture. (Chemistry lab) Could you separate the components of a mixture of Mg(OH)2 and Zn(OH)2 by using 3M HCl?
by solving this problem student is ablenbsp to understandnbsp how to carry over dffierent types of mole
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