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Grade: 11

                        

1 litre of hard water contains 12 milligram of mg 2+ . Milli equivalent of washing soda reqiured to remove its hardness is ____ .

4 years ago

Answers : (1)

Vikas TU
12127 Points
							
Write unitary eyhod simply,
as
from 12 mg,
12 = 0.012**y /24.31 
y = 0.493687 mm/l
this is the hence millieqs. of soda required.
4 years ago
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