Answer:
A. Na2S + 2KCI - 2NaCl + KZS
Explanation:
Answer:
I. don't. get. this. question
C. Demand increases
Pace increases
Reserves might last 53.3 years.
Earth’s mineral resources:
The correct answer is - CaCl2
The calcium chloride is a salt, an inorganic compound. Its formula is CaCl2, with Ca being calcium, Cl being chloride, and the number 2 representing the number of chloride molecules.
The calcium chloride is a white colored crystalline solid when it is at room temperature, and it is highly soluble in water, acetone, and acetic acid. It has a molar mass of 110.98 g/mol, density of 2.15 g/cm³, and melting point at 772 °C.
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