Molarity Practice

When a chemist mixes 2 moles of sodium chloride into 1 liter of water in a space station's lab, the molarity of the resulting solution is defined as the number of moles of sodium chloride per liter of solution, and its units are _____.

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112.43.c.11.E

When creating a saline solution for a space habitat's hydroponic farm, scientists prefer to use molarity to specify how much salt is dissolved in water, rather than using percent by volume or percent (mass/volume).

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112.43.c.11.E

A space station biologist is working on a hydroponic farming experiment and needs to prepare a nutrient solution. They decide to dissolve 0.060 moles of NaHCO₃ in 1500 mL of water. Calculate the molarity of the resulting solution.

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112.43.c.11.E

Imagine you are a space chemist aboard an interstellar spacecraft, and you need to prepare a solution for an experiment in zero gravity. You decide to dissolve 1.0 mol of KCl in 750 mL of solution. What is the molar concentration of the solution you prepared?

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112.43.c.11.E

Imagine you are a chef preparing a large batch of nutrient broth in a 2.0-liter bioreactor on a space station. You decide to season the broth with 29.25 grams of NaCl (table salt). Calculate the molarity of the NaCl solution you've created for your space crew's meal.

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112.43.c.11.E

Imagine you are preparing a sweet tea on a space station and you dissolve 34.2 grams of sugar, C₁₂H₂₂O₁₁, into 500 mL of water. What is the molarity of the sugar solution created?

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112.43.c.11.E

In a futuristic culinary lab, a chef is crafting an avant-garde dish that requires a precise quantity of salt. The chef plans to integrate 0.500L of a 1.5M NaCl solution into the dish. Calculate the number of moles of NaCl the chef will utilize.

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112.43.c.11.E

How many grams of NaCl are contained in the solution used in the experiment described in section #7 of the Mars Habitat Sustainability Study?

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112.43.c.8.A

A future Mars colony scientist is conducting an experiment that requires precisely 250. mL of a 0.05M NaOH solution for the sustainable production of oxygen. Calculate the number of moles of NaOH the scientist needs to use.

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112.43.c.11.E

Imagine you are a chemist in a space colony on Mars and you need to prepare a solution for a critical life-support system experiment. You decide to make 250. mL of a 0.10M CaCl2 solution. How many grams and moles of solute are required for this preparation?

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112.43.c.11.E

112.43.c.8.A