you want to titrate a 0.10 l of 0.20 m naoh. However, you are given a 0.50 l solution of h3po4 of unknown concentration. It takes 0.25 l solution of 0.25 L solution of 0.25 m Ca(oh)2 to neutralize the H3Po4 solution. Find the concentration of the h3po4 solution and then calculate how many litres of the original h3po4 solution is needed to fully neutralize the naoh solution
you want to titrate a 0.10 l of 0.20 m naoh. However, you are given a...
Suppose you have 50.5 mL of a solution of H3PO4. You titrate it with a 0.10 M solution of Sr(OH)2 and use 15.3 mL to reach the endpoint. What is the concentration of H3PO4? What was the pH of the original H3PO4 solution?
How many mL of a 0.10 M NaOH solution are needed to neutralize 15 mL of 0.20 M H3PO4? Equation (hint): H3PO4+3NaOH----> 3H2O + Na3PO4
7) Titrate 20.0 mL of HNO3 with an unknown concentration with 15.4 mL of 0.300M NaOH. Determine HNO3 concentration. Neutralization equation of nitric acid (HNO3) with NaOH is: HNO3 + NaOH + H2O + NaNO3 8) Titrate 25.00 mL of Ca(OH)2 solution with unknown concentration with 15.65 mL of 1.50M H3PO4. Determine the Ca(OH)2 concentration. Neutralization equation of phosphoric acid with calcium hydroxide is: H3PO4 + Ca(OH)2 + H2O + Ca3(PO4)2 (unbalanced)
Suppose you have 50.4 mL of a solution of H3PO4. You titrate it with a 0.10 M solution of LiOH and use 15.2 mL to reach the endpoint. A.) What is the concentration of H3PO4? B.) What was the pH of the original H3PO4 solution?
i need help with understanding 7a,7b, and 7c A 2 M NaOH is used to titrate 1000 mL of a solution of HCI (hydrochloric acid), the concentration of which is unknown. If 100 mL of 2 M NaOH is required to neutralize the HCI solution: 7. How many moles of NaOH were added? How many moles of HCI were present in the unknown solution? What was the concentration of the unknown solution of HCI?
1. A) How many grams of Mg(OH)2 will be needed to neutralize 25mL of stomach acid if stomach acid is 0.10 M HCl? B) How many mL of a 0.10 M NaOH solution are needed to neutralize 15 mL of 0.20 M H3PO4 solution?
In the titration of 250.0 mL of 0.20 M H3PO4 with 0.10 M NaOH, the pH of the solution after the addition of some NaOH is 4.66. Which of the following phosphate-containing species is present in the largest amount? For H3PO4, Ka1 = 7.5 × 10–3, Ka2 = 6.2 × 10–8, and Ka3 = 4.8 × 10–13.
How many mL of the titrant HBr is needed to titrate 8.41 mL of 0.044 M NH2CI, if the molarity of the titrant is 0.088? What is the pH of a solution that contains 0.50 M H3PO4 and 0.89 M NaH2PO4? The Ka of H3PO4 is 7.5x10-3. How many mL of the titrant HBr is needed to titrate 8.41 mL of 0.044 M NHCl, if the molarity of the titrant is 0.088? What is the pH of when 0.066 L...
titration: 2. If 45.0 mL of 1.50 M Ca(OH)2 are needed to neutralize 25.0 mL of HI of unknown concentration, what is the molarity of the HI? How many mL of 0.100 M NaOH are needed to titrate 20.0 mL of 0.100 M H2SO4?
1) Write the balanced chemical equation for the neutralization reaction of H2SO4 and NaOH 2) why is it necessary to write the balanced chemical equation for the neutralization reaction before calculating the molarity of the unknown solution? 3) How many milliliters of 0.20 M Mg(OH)2 solution are needed to completely neutralize 35.0 mL of 0.15 ?M H3PO4