Chemistry

A solution is prepared using 15.0 mL of 1.0 M HCl and 20.0 mL of 0.5 M HNO3. The final volume of the solution is 1.25 L. What are the [H3O+] and [OH-] in the final solution? What is the pH of the final solution?

  1. 👍
  2. 👎
  3. 👁
  1. moles HCl = M x L
    moles HNO3 M x L
    M final solution = total moles/total L.

    1. 👍
    2. 👎
  2. Ok. I got 0.015 mol HCl and 0.1 mol HNO3. Do I just add the moles to get the total? So 0.115 total moles. Which would make a the Molarity of the final solution 0.92M?

    1. 👍
    2. 👎
  3. I mean 0.092M.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    The pH of a solution prepared by mixing 45 mL of 0.183 M KOH and 65 mL of 0.145 M HCl is i solved it but my answer is wrong. the right one is 1.97. am i missing a step? moles of HCl left over = (moles of HCl) – ( moles of KOH)

  2. Chemistry

    What is the pH of a solution prepared by mixing 100. mL of 0.0500 M HCl with 300. mL of 0.500 M HF? [Ka(HF) = 7.1 × 10–4] I believe that I'd use M1V1 + M2V2 = M3V3 but I don't know where to go after that. Thanks!

  3. chemistry

    What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179 g/mL, should be used to make 4.60 L of an HCl solution with a of 1.9? HELP!!!

  4. chemistry

    10). What is the molarity of an HCl solution if 42.5 mL of a 0.110 M KOH solution is needed to titrate a 25.0-mL sample of the acid? A) 0.187 M HCl B) 0.587 M HCl C) 0.0647 M HCl D) 5.35 M HCl E) 1.70 M HCl

  1. Chemistry

    A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for

  2. chemistry

    The pH of a solution prepared by mixing 45 mL of 0.183 M KOH and 65 mL of 0.145 M HCl is ?.

  3. chem

    The concentration (M) of HCl in a solution prepared by dissolving 5.5 g of HCl in 200 g of C2H6O is ?????? M. The density of the solution is 0.79 g/mL. A) 21 B) 0.93 C) 6.0 × 10-4 D) 1.72 E) 0.58

  4. chemistry solution preparations

    how can we prepare 0.5 n solution of hcl as we have 37% hcl and 0.1n hcl. and we want to make 0.5n hcl from 0.1n hcl by pouring 37% hcl?

  1. chemistry

    A solution is prepared by adding 50 mL of .050 M HCL to 150 mL of .10 M HNO3. Calculate the concentrations. I know I need to find the [H+] and [OH-] but im not sure how.

  2. Chemistry

    A solution is prepared by adding 50ml of 0.050M HCl to 150 ml of 0.10M HNO3. Calculate pH

  3. chemistry

    A flask containing 5.00mL of 3 M HCl solution requires 14.45mL of 1.00 M NaOH for titration. How many moles of HCl are present in the solution? The density of 3 M HCl is 1.05g/mL

  4. chemistry

    Hydrochloric acid can be prepared using the reaction described by the chemical equation: 2 NaCl(s) + H2SO4(l) ----> 2 HCl(g) + Na2 SO4(s). How many grams of HCl can be prepared from 393 g of H2SO4 and 4.00 moles of NaCl?

You can view more similar questions or ask a new question.