Essay regarding Acids Basics Qs

Acids and Bases

Q1. This query is about several Brønsted–Lowry stomach acids and angles. (a)     Define the term Brønsted–Lowry acid.

................................................................................................................................................................................................................................................ (1) (b)     Three equilibria will be shown under. For each response, indicate whether or not the substance immediately above the field is behaving as a Brønsted–Lowry acid (A) or a Brønsted–Lowry base (B) by publishing A or perhaps B in each of the half a dozen boxes. �

(i)

CH3COOH

+

WATER

CH3COO–

&

H3O+

(ii)

CH3NH2

&

H2O

CH3NH3+

+

OH–

(iii)

HNO3

+

H2SO4

H2NO3+

&

HSO4 –

(3)

(c)     A twenty-five. 0 cm3 sample of 0. 0850 mol dm–3 hydrochloric chemical p was put into a beaker. Distilled water was added until the ph level of the option was 1 . 25. Estimate the total volume of the solution created. State the units................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. (3)

(d)     At 298 E, the value of the acid dissociation regular (Ka) intended for the weak acid HX in aqueous solution can be 3. 01 × 10–5 mol dm–3.

(i)    � Estimate the value of pKa for HX at this temperature. Give your reply to 2 fraccion places.

.............................................................................................................................................................................................................................. (1)

(ii)     Write a manifestation for the...



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