40% (w/v) of NaCl solution (specific gravity = 1.12) is equivalent to

Question

40% (w/v) of NaCl solution (specific gravity = 1.12) is equivalent to, 3.57 × 1 0 5 ppm, 3.57 × 1 0 6 ppm, 1 × 1 0 6 ppm, 4 × 1 0 5 ppm

MARKS App · Accepted Answer

Volume of solution = 100 mL Mass of solution = Volume × density Mass of solution = 100 × 1.12 = 112 g Concentration in ppm = W s o l u t e W s o l u t i o n × 1 0 6 ppm in NaCl solution = 40 112 × 1 0 6 = 3.57 × 1 0 5 ppm.

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