Find an Acid with a Molar Mass of 64 g/mol

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Discussion Overview

The discussion revolves around identifying a monoprotic acid with a molar mass of approximately 64 g/mol. Participants explore various resources and approaches to find suitable acids, including both inorganic and organic options.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant seeks a list of acids with a molar mass around 64 g/mol, mentioning nitric acid, boric acid, and chlorous acid as potential candidates.
  • Another participant suggests consulting handbooks of chemistry and physics for more comprehensive listings of acids.
  • A different participant notes that the initial search was focused on standard solutions rather than the molecular weights of the acids themselves.
  • Questions arise regarding the specific constraints of the search, such as how close to 64 g/mol the molar mass needs to be.
  • Participants discuss the possibility of using a BASIC program to calculate molecular weights from empirical formulas, referencing a handbook that lists dissociation constants and empirical formulas of various acids.
  • One participant mentions a common monoprotic inorganic acid with a molar mass of 63.01 g/mol, questioning how close the target mass needs to be.
  • There is a suggestion that if the acid is organic, it would likely follow the R-COOH structure, prompting further inquiry into possible combinations of atoms that could yield the desired molar mass.
  • A participant expresses interest in strong monoprotic inorganic acids and invites others to list them by popularity, hinting that the sought acid may be among the more common ones.

Areas of Agreement / Disagreement

Participants do not reach a consensus on a specific acid that meets the criteria, and multiple approaches and resources are suggested without a definitive resolution.

Contextual Notes

Some participants express uncertainty about the exact requirements for the acid, such as the acceptable range for molar mass and whether the acid must be inorganic or organic.

Who May Find This Useful

This discussion may be useful for chemistry students or researchers looking for information on acids, particularly those interested in molar mass calculations and the classification of acids.

sam432
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im trying to find a monoprotic acid with a molar mass of about 64 g/mol.


is there a list of all acids somewhere on the internet? the closest I've found are nitric acid, boric acid and chlorous acid..
 
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The first place best to search would be a handbook of chemistry & physics, like CRC, or Langs.
 
checked CRC, can't find it under STANDARD SOLUTIONS OF ACIDS, BASES, AND SALTS
 
Your interest is the formula or molecular weights, not their solutions in water. Check a more meaningful list or section in the handbooks. Search for maybe a section on inorganic and organic acids; molecular weights might be tabulated with the listings. Do you have a constraint to work with, or just want as many acids as you can find disregarding any constraint?
 
How close to 64?
 
If this pertains to a lab show us your titration curve

Is is monoprotic?

If it has multiple Kas what are they?
 
An old Hanbook of Chemistry & Physics published by Chemical Rubber Company has listing of dissociation
constants of acids in aqueous solution, giving the empirical formulas of the acids. You can immediately see
from the tabulations which acids are monoprotic and which are polyprotic. You could write a BASIC program
and which may allow you to one-by-one input empirical formula information to calculate the molecular weights of
each acid. The table shows more than about 100 different acids, so a computer program for calculating each
molecular weight, while slow, would be faster than using just a handheld electronic calculator.
 
Shameless plug: each of my programs calculates molar mass for any entered formula and it does it on the fly :smile: But I have a gut feeling there is no need for that. One of the common monoprotic inorganic acids has molar mass of 63.01, that's why I asked how close to 64 it has to be.

If it is an organic acid, it must have formula R-COOH. It is easy to find out what is a molar mass of R - and I have no idea what combination of CHNO atoms can give that.
 
which acid is that borek?

63.01 should be close enough (rounded up to 64)
 
Last edited:
  • #10
What strong monoprotic inorganic acids do you know? List them from most popular to the least popular and it will be one of the firsts. On my list it is the second :wink:
 

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