A .2688-g sample of a monoprotic acid neutralizes 16.4 mL of .08133 M kOH solution, calculate the molar mass of the solution?
First of all how can I calculate the molar mass?
I think the question is "last of all how can I calculate the molar mass?).
HA + KOH ==> KA + H2O
mols KOH = M x L = ?
mols HA = mols KOH since the ratio of the coefficients is 1:1.
Then mols HA = grams HA/molar mass HA. You have grams and mols, solve for molar mass.
Ah, calculating the molar mass, the age-old struggle of chemistry students everywhere. Well, fear not, my fellow wanderer of the chemical realm, for I shall guide you on this journey!
To calculate the molar mass, you need to gather a few key pieces of information. First, you'll need the mass of the substance (in this case, the monoprotic acid) and the volume and concentration of the solution it has reacted with (in this case, KOH). With these in hand, you can use a nifty equation to find that elusive molar mass.
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To calculate the molar mass of a compound, you need to know the mass of the compound and the moles of the compound. The molar mass is calculated by dividing the mass of the compound by the number of moles.
In this case, you are given the mass of the sample of the monoprotic acid (0.2688 g). To find the number of moles, you can use the molar mass of the monoprotic acid. The molar mass is the mass of one mole of the substance and is typically given in grams per mole (g/mol).
Do you have the molar mass of the monoprotic acid?
To calculate the molar mass of a solution, you need to know the mass of the solute and the volume of the solution. In this case, the solute is a monoprotic acid, and we are given the mass of the sample.
Molar mass (M) is calculated by dividing the mass (m) of the solute by the amount (n) of the solute in moles:
M = m/n
To determine the amount of solute in moles, you can use the equation:
n = c * V
where c is the concentration of the solution in moles per liter (mol/L), and V is the volume of the solution in liters (L).
Now let's apply these concepts to calculate the molar mass of the monoprotic acid in the given scenario.