what is the mole of H3PO4 in 50ml solution which requires 35.2ml of 0.1894M KOH to neutralize
what is the mole of H3PO4 in 50ml solution which requires 35.2ml of 0.1894M KOH to...
47. What is the molarity of 10.00 mL of KOH that requires 19.50 mL of 0.1000 M of H3PO4 to neutralize? H3PO4 + 3 кон Карод + зно 0.06500 м 0.5850 м 0.1950 м 0.3900 м
- n an acid-bade titration, 80.0 mL of an unknown concentration H3PO4 solution requires 126 mL of 0.218 M KOH solution. What is the concentration of the H3PO4 solution (in M)? (3pts)
9. a If 25.0 mL of KOH solution is neutralized by 13.31 mL of 0.111 M H3PO4, what is the molarity of the KOH? State formula, of course you were going to do that, right? b) How many mL of 0.123 M H2SO4 solution is needed to neutralize 25,0 mL of 0.250 M KOH solution?
1. A student performs a titration that requires 40.00 mL of 0.5000 M KOH to completely react with 30.00 mL of a H3PO4 solution. What is the molarity of the H3PO4 solution, if the two compounds react according to this equation? (HINT: DO NOT use MiV=M2V2 to solve for the molarity of acid involved in a titration!) H3PO4 (aq)+ 3 KOH(aq) → K3PO4 (aq) + 3 H2O(1)
What is the mole fraction of phosphoric acid (H3PO4) in a 25.4% (by mass) aqueous solution of the acid? Enter your answer with four decimal places and no units.
An aqueous solution has a mole fraction of 0.068 KOH. What is the molarity of the solution? Assume that the density of the solution is 1.15 g/mL.
10. Which of these species is probably the weakest acid? (a) HCI (b) H3PO4 (c) H2SO3 (d) HOBI (e) HNO3 11. What volume of 0.50 M KOH would be required to neutralize completely 500.0 mL of 0.25 M H3PO4 solution? KOH is sufficiently strong as a base to remove all three protons from H3PO (a) 2.5 x 10 mL (6) 1.4 x 10mL (c) 83 mL (d) 7.5 x 10 mL (e) 5.2 x 10 mL
Titration Solution: KOH -H2O -HCl Titration Solution: HCl -H2O -NaOH -Tris Base Titration Solution: KOH -Vinegar -HCOOH Titration Solution: KOH -H3PO4 -H2SO4 - Which of these are buffering solutions? Of the buffering solutions what are their buffering ranges?
Calculate the mole fraction of phosphoric acid (H3PO4) in a 25.4% (by mass) aqueous solution. (Assume 750 mL of solution.) What is the molarity of the solution? What is the molality? (At 20 ° C, the density of phosphoric acid is 1.1462 g/mL and the density of water is 0.99823 g/mL.)
If 100ml of a 0.134 M solution of HNO2 and 0.056 LiNO2 is reacted with 50ml of a 0.100 M of KOH what is the resulting pH of the solution? Ka=4.6 x 10^-4