Ask a New Question

Asked by tan ni

1.why must MgCl2.6H20 be added to the EDTA solution?

2. why should EDTA solution be stored to the polyethylene container?

3. why should HCl be added to calcium carbonate solution?

4. why is it necessary to buffer the solution at pH 10 during titration?
15 years ago

Answers

Answered by DrBob222
Isn't all of this explained in your lab procedure? Or your text? You really don't have enough information for us to answer. You don't explain what you are doing.
15 years ago

Related Questions

4NH3 + 7O2 --> 4NO2 + 6H20 1) How many grams of oxygen are necessary to produce 4.50 moles of NO2... 1 mol Cu(NO3)2*6H20 X 295.69g Cu(NO3)2*6H20/ mol Cu(N03)2*6H20=___________ gCu(NO3)2*6H20 what do... What added to MgCl2 + 2H2O will yield Mg(OH)2 + Cl2? 4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products... we used the solution NiSO4 6H20 - i have to find the mass of solute dissolved in a 25ml solution... 2C2H6+702=4CO2+6H20 how many grams of oxygen are required to completely burn60.0g ethane (C2H6) sh... Mg3N2(s) + 6H20 = Mg(OH)2(s) + 2NH3(g) When 2 moles of H20 react How many grams of NH3 are produ... why must MgCl2.6H20 be added to the EDTA solution? 2C2H6 + 7O2 ---> 4CO2 + 6H20 How many moles of O2 are needed to completely react with 4.50 moles... 4NH3 + 3O2 = 2N2 + 6H20 products: 2 N2, 6 H20 leftovers: 0 NH3, 2 O2 what are the reactants?
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use