Question

sahaj has prepared 0.01% (by mass) solution of sodium chloride in water which of the following correctly represents the compositions of the solution? (a) 1.00 gram of NaCl + hundred gram of water (b) 0.11 gram of NaCl + hundred gram of water( c) 0.01 gram of NaCl + 99.99 gram of water (d) 0.10 gram of NaCl + 9.90 gram of water

Answer 1

Answer:

Option (C)

Explanation:

Mass % = mass of solute ÷ (mass of solute + solvent) × 100

= 0.01/(0.01+99.99)×100

= 0.01/100 × 100

= 0.01 gm

so

0.01 gram of Nacl + 99.99 gram of water

option (C)

Answer 2

Answer:

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Explanation:

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