8. Write down the formulas : (a) calcium chloride (b) Ammonia
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Answer:
a)cacl2,b)NH3..........
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Explanation:
a) The chemical formula of calcium chloride is CaCl2. Calcium chloride is hygroscopic, deliquescent, and dissolves in water exothermically.
Chemical formula: CaCl2
Density: 2.15 g/cm3 anhydrous
Melting point: 772–775 °C anhydrous
Boiling point: 1,935 °C anhydrousa
b) Formula of Ammonia
Its chemical formula is NH3and the molar mass is 17.03 g/mol. ... Furthermore, the ammonia molecule has a trigonal pyramidal shape that has nitrogen, which connects to three hydrogen atoms. The lone electron pair of nitrogen atom makes the base for ammonia.
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