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What mass of 1.80% NaCl solution is needed to provide 62.0 g of NaCl? _______ kg

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Answer:

3.44 kg

Step-by-step explanation:

To find the mass of a 1.80% NaCl solution needed to provide 62.0 g of NaCl, you can use the following equation:

Mass of solution (in grams) = Mass of NaCl / (Percentage of NaCl / 100)

Let's calculate it:

Mass of solution (in grams) = 62.0 g / (1.80 / 100) = 62.0 g / 0.018

Now, calculate the mass of the solution:

Mass of solution (in grams) = 62.0 g / 0.018 = 3,444.44 grams

To express this in kilograms, divide by 1,000 (since 1 kilogram = 1,000 grams):

Mass of solution (in kilograms) = 3,444.44 grams / 1,000 = 3.44 kg

So, you would need 3.44 kilograms of the 1.80% NaCl solution to provide 62.0 grams of NaCl.

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