Calculate the number of grams of each solute that has to be...

Calculate the number of grams of each solute that has to be taken to make each of the following solutions. (a) $125 \mathrm{~mL}$ of $0.200 \mathrm{M} \mathrm{NaCl}$ (b) $250.0 \mathrm{~mL}$ of $0.360 \mathrm{M} \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \quad$ (glucose) (c) $250.0 \mathrm{~mL}$ of $0.250 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}$

Calculate the number of grams of each solute that has to be taken to make each of the following solutions.
(a) $125 \mathrm{~mL}$ of $0.200 \mathrm{M} \mathrm{NaCl}$
(b) $250.0 \mathrm{~mL}$ of $0.360 \mathrm{M} \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \quad$ (glucose)
(c) $250.0 \mathrm{~mL}$ of $0.250 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}$

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Molarity

Molarity is a concentration unit defined as the number of moles of solute per liter of solution. It is crucial for preparing solutions because it directly relates the desired concentration of the solution to the amount of solute needed when combined with a specific volume.

Mole Concept

The mole is a fundamental chemical unit representing a specific number of entities (6.022 x 10^23 particles). Converting between moles and grams requires using a substance's molar mass, and this conversion is essential in determining how much of a solute is needed to prepare a solution of a specified concentration.

Molar Mass

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole. It connects the molecular or atomic scale with macroscopic quantities and is necessary for converting the number of moles of solute into a measurable mass required to achieve a particular concentration.

Volume Conversion

Volume conversion, especially converting milliliters to liters, is a key step in solution preparation calculations. Since molarity is defined per liter, ensuring that the volume of the solution is in liters is essential for accurately determining the moles of solute needed.

Transcript

Please give Ace some feedback