A. 116 g
B. 175 g
C. 87 g
D. 58 g
Correct Answer:
Option B – 175 g
Explanation
Molar mass of Nacl = 23 + 35.5 = 58.5 g/mol
Number of moles of Nacl = conc. in mol/dm³ X vol. in dm³
= 1.5 X 2.0 = 3.0 moles
1 mole of NaCl has a weight of 58.5 X 3 = 175.5g
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