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 (a)   .

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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).

(a)  

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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.

(a)  

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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?

(a)  

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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.

(a)  

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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?

(a)  

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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.

(a)  

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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?

(a)  

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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.

(a)  

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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