Question

1. You have a stock solution of 5.0 M NaCl. If you want to make 300.0 mL of 0.150 M NaCl, how many millilitres of this stock will you need to prepare the diluted solution? 2. IV (intravenous) solutions are mixtures of sugars, salts and other aqueous solutes fed directly to a patient's veins. If an IV solution is 5.0% glucose by mass, how many grams of solid glucose would be require to prepare 60.0 milliliters (ml) of the solution? Assume the density of the solution is 1.0 g/ml 3. If you mixed 35.0 grams of NaCl into 0.500 liters of water, what would the molarity of the resulting solution be? 4. If you had 200. ml of a 3.0 M solution of MgCl2 and accidentally spilled 35.7 ml of pure water into it, what would be the new concentration of the solution in M (molar)?

          1. You have a stock solution of 5.0 M NaCl.
If you want to make 300.0 mL of 0.150 M NaCl, how many
millilitres of this stock will you need to prepare the diluted
solution?
2. IV (intravenous) solutions are mixtures of sugars, salts and
other aqueous solutes fed directly to a patient's veins.
If an IV solution is 5.0% glucose by mass, how many grams of
solid glucose would be require to prepare 60.0 milliliters (ml) of
the solution?
Assume the density of the solution is 1.0 g/ml
3. If you mixed 35.0 grams of NaCl into 0.500 liters of water,
what would the molarity of the resulting solution be?
4. If you had 200. ml of a 3.0 M solution of MgCl2 and
accidentally spilled 35.7 ml of pure water into it, what would be
the new concentration of the solution in M (molar)?

Added by Belen A.

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