From: The New Indian Express 9 March 2021
The salt pans in Marakkanam, a port town about 120 km from Chennai are the third
largest producer of salt in Tamil Nadu. Separation of salt from water is a laborious
process and the salt obtained is used as raw materials for manufacture of various sodium
compounds.
One such compound is Sodium hydrogen carbonate, used in baking, as an antacid and
in soda acid fire extinguishers.
The table shows the mass of various compounds obtained when 1litre of sea water is
evaporated
COMPOUND FORMULA MASS OF SOLID
PRESENT /g
Sodium Chloride NaCl 28.0
Magnesium Chloride MgCl2 8.0
Magnesium Sulphate MgSO4 6.0
Calcium Sulphate CaSO4 2.0
Calcium Carbonate CaCO3 1.0
TOTAL AMOUNT OF SALT OBTAINED 45.0 How many grams of Magnesium Sulphate are present in 135g of solid left by evaporation
of sea water?
A. 6g
B. 12g
C. 18g
D. 24g
Answers
Answered by
1
Explanation:
D
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Answered by
1
Answer:
D)
in my opinion
but I'm not sure
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