Ammonia has the formula NH3. Household ammonia is a dilute aqueous solution of N

Question

Ammonia has the formula NH3. Household ammonia is a dilute aqueous solution of NH3. Aqueous ammonia is a base that can neutralize acids.

Part A

If 18.5 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?

Ammonia has the formula NH3. Household ammonia is a dilute aqueous solution of NH3. Aqueous ammonia is a base that can neutralize acids.

Part A

If 18.5 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?

Explanation / Answer

Part A

HCl + NH3 -------------------> NH4Cl

1 mol of HCl = 1 mol NH3 in the neutralisation

M1 V1 = M2 V2

0.800 x 18.5 = M2 x 5.00

M2 = 2.96 M

molar concentration of NH3 = 2.96 M

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