chemistry

need to calculate the mass (m ) of NaoH with C% = 15 % , to balance 176 g of H2SO4 so i though to use this method C% = mass of h2s04 / mass of h2so4 + mass of Naoh which is unknown mass of Naoh = c% x mass of h2so4 / 100 is this the right method or not ?

  1. 👍 0
  2. 👎 0
  3. 👁 207
  1. I can't follow your thought, mostly because I don't know the definition of your terms, principally C%. The second question I have is about the 15%. Is that 15% w/w or w/v? Third, you don't have a volume of NaOH being added and you don't need one if you are just looking for the mass. Use stoichiometry to solve your problem.
    First you should write and balance the equation.
    2NaOH + H2SO4 ==> 2H2O + Na2SO4

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Grade 12 chemistry

    This is the second reaction: HCl(aq)+NaOH(aq)-->NaCl(aq)+H2O(l) (Heat of neutralization) This reaction involves mixing two solutions: 1.00 mol/L NaOH and 1.00 mol/L HCl. Trial 1: 48.0 mL of the NaOH solution is mixed with 47.5 mL

  2. Chemistry

    Use the dilution relationship (Mi x Vi = Mf x Vf) to calculate the volume of 0.500 M NaOH needed to prepare 500 mL of .250 M NaOH. This is my work ? L Solution = 500mL x (1L/1000mL) = .500L ? mol NaOH = .500 L Solution x (0.250 M

  3. chem

    An impure sample of (COOH)2 ·2 H2O that has a mass of 3.4 g was dissolved in water and titrated with standard NaOH solution. The titration required 42.7 mL of 0.156 molar NaOH solution. Calculate the percent (COOH)2 · 2 H2O in

  4. Chemistry

    A 0.1873 g sample of a pure, solid acid, H2X was dissolved in water and titrated with 0.1052 M NaOH solution. The balanced equation for the neutralization reaction occurring is H2X(aq) + 2NaOH(aq) ¨ Na2X(aq) + 2H2O(l) If the

  1. Chemistry [sumone help me please :(]

    0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^-3 NaOH. It requires 11.80 cubic centimeters of 0.100 mol\dm^-3 HCL fo neutralisation( to phenolphthalein) The mole ratio in which phthalic acid reacts with sodium

  2. Chemistry urgent for my LAB today (22.09.11)

    0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^-3 NaOH. It requires 11.80 cubic centimeters of 0.100 mol\dm^-3 HCL fo neutralisation( to phenolphthalein) The mole ratio in which phthalic acid reacts with sodium

  3. College-Chemistry

    NaOH(s)+ H2SO4(aq)=Na2SO4(aq) + H2O(l) Consider the unbalanced equation above.A 0.900 g sample of impure NaOH was dissolved in water and required 37.0 mL of 0.145 M H2SO4 solution to react with the NaOH in the sample. What was the

  4. Chemistry- is this right?

    Calculate the H+ of 0.1 M NaOH Calculate the pH of 0.1 M NaOH [H+]=10^ph [H+]=10^-13 [H+]=1*10^-13M Since pH+ pOH=14 pH= -log (0.1M) pH=1 so 14-1 pH= 13

  1. Chemistry

    For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact concentration of a sodium hydroxide solution. Two trials were completed and the data collected was: mass of weighing paper, mass of

  2. Chemisty

    Calculate the number of milliliters of 0.738 M NaOH required to precipitate all of the Mg2+ ions in 148 mL of 0.541 M MgSO4 solution as Mg(OH)2. The equation for the reaction is: MgSO4(aq) + 2 NaOH(aq) Mg(OH)2(s) + Na2SO4(aq)

  3. chemistry

    KHP is a monoprotic acid with a molar mass of 204.22 g/mol. The titration data are as following. The average concentration of NaOH solution is M. 1 2 3 mass of KHP (g) 2.789 2.543 2.612 vol NaOH used (mL) 27.77 23.22 27.12 You

  4. chimestry

    more volume of NaOH means more moles of NaOH (volume * molarity = mole ; molarity=constant) , more moles of NaOH means more grams and mole of HCl and more grams and/or mole and/mass of M2CO3 (note that they are both on the same

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