Describe how you would prepare the following in aqueous solution. a) 0.50M solut
ID: 785196 • Letter: D
Question
Describe how you would prepare the following in aqueous solution.
a) 0.50M solution of HCl that would just neutralize 5.0g of Ba(OH)2 starting with 6.0 M HCl
This is a 2 part question in volume. The first part is V6.0M HCl (in ml) and the second is V0.5 M HCl. Thank you
******Please Im struggleing here Id greatly appreciate some indepth explaination not just giving the anwer. Id like to know how to do it for the test too! THANK YOU THANK YOU!!! ;P
PLEASE DONT USE THE ANSWERS FROM YAHOO THAT ARE FROM 5 years AGO... ive already tried it... I NEED real help....
Explanation / Answer
continued from previous post
mol of HCl needed = 2 * 0.0291889 = 0.058378 mol
as per the calculations shown in previous post
Volume of 6.0 M HCl needed = 9.73 mL
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Now for volume of 0.50 M HCl
after dilution of 6.0 M HCl you get 107.30 mL of 0.50 M HCl solution
Now what volume of this solution is need to neutralize 5.0 g Ba(OH)2 ?
mol of HCl needed = 2 * 0.0291889 = 0.058378 mol
volume of 0.50 M solution containing 1 mole HCl = 1000/0.50 mL
volume of 0.50 M HCl solution containing 0.058378 mol HCl = 0.058378 * 1000/0.50 = 1167.56 mL
Notice that in question you mentioned 0.5 M however in coment you have mentioned 5.0 M.
Thus for 5.0 M HCl here is the answer
volume of 5.0 M HCl solution containing 0.058378 mol HCl = 0.058378 * 1000/5.0 = 116.76 mL