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const2013 [10]
3 years ago
12

BIG POINTS! NO SPAM PLZ! WILL AWARD BRAINLIEST!

Chemistry
1 answer:
pentagon [3]3 years ago
6 0

Answer:

1.0 M is the concentration of hydrochloric acid.

Explanation:

HCl (aq) + NaOH (aq) \rightarrow H_2O (l) + NaCl (aq)

To calculate the concentration of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is HCl

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=1\\M_1=?\\V_1=50.0 mL\\n_2=1\\M_2=2.0 M\\V_2=25.0 mL

Putting values in above equation, we get:

1\times M_1\times 50.0 mL=1\times 2.0 M\times 25.0 mL

M_1=\frac{1\times 2.0 M\times 25 mL}{1\times 50.0 mL}=1.0M

1.0 M is the concentration of hydrochloric acid.

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