128 mL of 1.50 x 10-2 M NaOH is used to titrate 225 mL of a monoprotic acid with unknown concentration to reach the equivalence point. What is the concentration of the original acid?

1.50 x 10-2 M

1.17 x 10-1 M

1.92 x 10-3 M

8.53 x 10-3 M

Question

128 mL of 1.50 x 10-2 M NaOH is used to titrate 225 mL of a monoprotic acid with unknown concentration to reach the equivalence point. What is the concentration of the original acid?
 	
	
1.50 x 10-2 M
	
1.17 x 10-1 M
	
1.92 x 10-3 M
	
8.53 x 10-3 M

anonymous · Answer

What do we know about the equivalence point? All the H+ is neutralized by the OH. so |dw:1386440856507:dw|