He Hard water deposits (calcium carbonate) have built up around your bathroom si

Question

He Hard water deposits (calcium carbonate) have built up around your bathroom sink 26) one of the following would be best to dissolve the deposit? Which a) ammonia (NH3) b) bleach (NaCIO) c) lye (NaOH) d) vinegar (HC H304) 27)Which of the following acids will NOT experience nearly com plete dissociation in w)HF water? i) HCI a) ili only b) ii & iv c) iv only d) i, i, andv ii) HNO3 iii) Acetic Acid 28) Malonic acid, shown below, can be described as: i) monoprotic acid ii) diprotic acid ili) triprotic acid iv) polyprotic acid a) i only b) vor?ý c) iv and v d) ii, iv, a 29)Which of the following are strong acids: v) HE v) HCIO4 i) HBr ii) HNO2 i) HCN a) ii only b) iv only c) ii & v d) ii. iv, & v 30) Citric acid, shown below, is best described as: ?. ? ??? C-CC ?-?-?-?-? CH OH ?, ?? i) monoprotic acid li) diprotic acid ili) triprotic acid iv) polyprotic acid a) ii only b) vonly c) iv andx d) ii, iv, and Spring, 2018- Exam II

Explanation / Answer

26.

(b) NaClO

27.

(b) iii and iv because they are weak acids

28.

(a) diprotic acid

29.

(c) ii and V HBr and HClO4 are strong acids

30.

(b) Polyprotic acid

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