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olchik [2.2K]
3 years ago
12

What is the M of NaOH if it takes 40 ml of NaOH to reach the equivalence point in a titration with 50 ml of 0.2 M HCl

Chemistry
1 answer:
nikdorinn [45]3 years ago
4 0

Answer:

NaOH+HCl ----->NaCl+H2O

Explanation:

number mole NaOH = number mole NaOH

M -molarity, V - volume

M(NaOH)*V(NaOH)  =  M(HCl)*V(HCl)

M(NaOH)*40 ml  =  0.2 M*50 ml

M(NaOH)=0.2 M*50 ml/40 ml=1/4 M=0.25 M NaOH

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