Example: If the molarity of an aqueous solution is 6.3 × 10-5 M, what is the pH? pH = −log[6.3 × 10-5] = 4.2. You can also calculate concentration from pH and pKa, the latter being derived from the acid dissociation constant **Ka**. The higher the Ka for a particular acid...
How do you find molarity of vinegar in titration? How do you find initial Ph of an acid-base titration? Determine the concentration as a percentage by volume if a 600 mL bottle of vinegar contains 30.0 mL of acetic acid. Explore our homework questions and answers library ...
2. Find Molecular Weight Convert reactant quantities to moles. Use a periodic table to find the atomic mass units for each element. For example, say you have a solution of 65 grams of magnesium hydroxide and 57 grams of hydrochloric acid. Magnesium has 24.305 atomic mass units, oxygen has ...
First, you will need to find the number of moles you need for this solution. To do this, you will need to make use of the desired molarity and the volume of desired solution. (1mol1L)(1L)=1mol This calculation means that you need one mole of salt. Now, you need to use the mola...
How to Find Molarity As long as you have a way of measuring the mass of a solute, you can calculate its molarity by measuring the volume of the solution. Be careful here, because molarity is always expressed as moles/liter, so if you measure volume in any other units, you have to con...
1.12 g of KHP required 34.38 mL of an approximately 0.3 m NaOH solution in an acid/base titration to reach the equivalence point. What is the exact molarity of the NaOH solution? The equivalence point is the point in a titration at which the added...
How do you find initial Ph of an acid-base titration? How to choose an indicator for an acid-base titration? What is a redox titration in chemistry? How to calculate the molarity of a solution In a titration of a sample of HCl(aq) with 0.113 M NaOH(aq), it took 51.2 mL of the ...
Explain the concept of molarity and how to calculate it. Calculate the mass in grams 2.6 \times 10^{22} SO_2 molecules. Express your answer using two significant figures. Convert 8.70 um (micrometer)/s to km/hr using 3 significant figures. ...
That procedure looks correct, but there are a couple things you need to clarify. That amount of pure diisopropylamine is about 5 mmol. What is the molarity of the n-BuLi that you're using? The mmols obviously need to match. One big pitfall with lithium reagents is that they do go bad...
An acid dissolves in water to form positively charged hydrogen ions (H+), with a strong acid forming more hydrogen ions than a weak one. An alkali (or base) dissolves in water to form negatively charged hydroxide ions (OH−). Again, stronger alkalis (which can burn you as much as ...