Purchase Solution

Solving for Molar Ratios

Not what you're looking for?

Ask Custom Question

Question: You are asked to go into the lab and prepare an ethanoic acid - sodium ethanoate buffer solution with a pH of 4.00 ± 0.02. What molar ratio of [CH3COOH] / [ CH3COONa] should be used?

Purchase this Solution
Solution Summary

A worked-out response is provided for the calculation required and all the necessary equations and values needed for solving are also given. This provides a basic model which can be used for solving future problems of this nature.

Purchase this Solution
Free BrainMass Quizzes
Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Periodic table

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

View More Free Quizzes
Related BrainMass Solutions

  • Stoichiometry: Sodium Iodide and Mercury Nitrate

    The solution also outlines a five step strategy for solving A, a three step strategy for solving B and complete calculations, answers and explanation formatted in the attached document.

  • Find molar composition from percent by mass

    Comparing masses of substances is not how a chemist works, a chemist must compare mole ratios, not mass ratios.

  • How to calculate the empirical formula of a compound

    The empirical formula is: SO2 Hint: If you get crazy numbers in your molar ratios, then you have probably done something wrong. _________________________________ Have a great day, and thanks for using BrainMass.

  • A sample of unknown Y is subjected to elemental analysis

    Divide each by their respective molar masses.. 40 /12 g/mol = 3.3 moles of carbon for every 6.7 g/ 1 g/mol = 6.7 moles of hydrogen for every 53.3 /16 g/mol = 3.3 mole of oxygen.

  • Molecular Formula From Percent Composition and Molar Mass

    (for these we try and find the closest whole number, since we are actually looking for the formula here) Carbon 864/12 = 72 moles Hydrogen = 72 moles Nitrogen = 36 moles Oxygen

  • Molar mass

    What is the molar mass of acetylsalicylic acid? I know the answer but I need help to set up the problem and to know why. I think I need to use the formula for molar mass but it is not solving correctly.

  • Moles to Moles

    Include your experimentally determined mole ratios for the copper and silver atoms as coefficients. Cu (g) + 2AgNO3 (aq.)  Cu(NO3)2 (aq.) + 2Ag (s) 3.

  • solubility of PbBr2 in various solutions

    What is the molar solubility: (A) in pure water? (B) in 0.12 Molar KBr solution (C) in 0.18 Molar Pb(NO3)2 solution Please see the attached file for detailed solution.

  • Using Equilibrium to Calculate Product

    We can use this 22.5 mol as x because of the 1:1 molar ratios.

View More Related Solutions