What will be the expected pH of the following solutions? Justify your answer.
.I) KCl , ii) Na2CO3 iii) NH4Cl
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Answer:
1. Ph= 7
2. Ph is greater than 7
3. Ph is less than 7
Explanation:
* KCL IS A SALT OF STRONG ACID (HCL) AND STRONG BASE (KOH) SO THEY BOTH NEUTRALIZE EACH OTHER
* NA2CO3 IS A SALT OF WEAK ACID (H2CO3) AND STRONG BASE (NAOH). SO BASIC CHARACTER DOMINATES
* NH4CL IS A SALT OF STRONG ACID (HCL) AND WEAK BASE (NH4OH). SO ACIDIC CHARACTER DOMINATES.
TO FIND WHICH IS ACIDIC, NEUTRAL AND BASIC SALT, SPLIT ITS IONS AND ADD H+ TO ANION AND OH- TO CATION.
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