# How do you calculate the mass of NaCl required to prepare 0.5 liters of a 2.5 molar solution of NaCl?

Here's how you can do that.

The definition of molarity will be your starting point in this situation.

You have one significant figure for the volume of the solution, so I'll leave the answer rounded to two sig figs.

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Mass (g) = Molarity (mol/L) × Volume (L) × Molar Mass (g/mol) Mass of NaCl = 2.5 mol/L × 0.5 L × 58.44 g/mol

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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