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The cost of common salt (NaCl) is Rs 18 per kg. Calculate the cost of the salt per mole. |
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Answer» Gram molar mass of NaCl = 23 + 35.5 = 58.5 g 1000 g of NaCl costs = Rs 18 ∴ 58.5 g of NaCl costs = \(\frac{18}{1000}\times58.5\) = Rs 1.053 The cost of one mole of NaCl = Rs 1.053 |
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