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please show answer and solution for the ? Trial 1 Trial 2 Mass of acetic acid 5

ID: 511793 • Letter: P

Question

please show answer and solution for the ?

Trial 1

Trial 2

Mass of acetic acid

5 g

5 g

Density of acetic acid

1.00 g/mL

Concentration of acetic acid

0.88 M

Mass of Alka-Seltzer

3.21 g

3.26 g

Volume of NaOH, initial

5 mL

5 mL

Volume of NaOH, final

2.5 mL

3 mL

Volume of NaOH, total

2.5 mL

2 mL

Moles of acetic acid

?

Moles of NaOH

?

*Moles of acid (H+) neutralized by Alka-Seltzer

Moles acid neutralized per gram of Alka-Seltzer

Trial 1

Trial 2

Mass of acetic acid

5 g

5 g

Density of acetic acid

1.00 g/mL

Concentration of acetic acid

0.88 M

Mass of Alka-Seltzer

3.21 g

3.26 g

Volume of NaOH, initial

5 mL

5 mL

Volume of NaOH, final

2.5 mL

3 mL

Volume of NaOH, total

2.5 mL

2 mL

Moles of acetic acid

?

?

Moles of NaOH

?

?

*Moles of acid (H+) neutralized by Alka-Seltzer

? ?

Moles acid neutralized per gram of Alka-Seltzer

? ?

Explanation / Answer

Assuming a normality of 1 for NaOH used. And it is solved using the equation N1V1 =N2V2

Moles of Acetic acid 4.4 4.4 Moles of NaOH 2.5 2 Moles of acid (H+) neutralized by Alka-Seltzer 1.9 2.4 Moles acid neutralized per gram of Alka-Seltzer 0.5919 0.7361