Asked by jonah

25cm3 of a solution of 0.1mol dm-3 NaoH reacts with 50cm3 of a solution of hydrochloric acid.What is the molarity of the acid

Answers

Answered by DrBob222
Write the equation and balance it.
HCl + NaOH ==> NaCl + H2O

How many moles NaOH were used? moles = M x L = ??
Using the coefficients in the balanced equation, convert moles NaOH to moles HCl. You can see that it is a 1:1 ratio of NaOH to HCl; therefore, moles NaOH = moles HCl.
Then M HCl = moles HCl/L HCl. You know mole and L, solve for M.
Answered by claire
is there any way i can see an answer for this.. i have it as an a level chemistry question and im either having a mental block... or totallyyy don't get it ?
Answered by claire
this does not give the answer
34
Answered by Favour or elvice
25cm3 of 1.5 solution of Nacl are added to 50cm3 of 3m Nacl. The molar concentration of the resulting solution is_
Answered by David
0.05m/l
Answered by Salani S
C(a)×V(a)=c(b)xv(b)
0.025dm-3x0.1mol=0.050dm-3x zmol
0.00025=0.050z
2.5/50=z
0.05mols/50cm-³
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