Question

1. fill in the blanks with the correct options. when calculating the molarity of a solution, students must have the number of moles of the - choose the correct answer - and the number of liters of the

Explanation:

To solve this, we recall the formula for molarity ($M$):

The formula for molarity is $M = \frac{n}{V}$, where $n$ is the number of moles of the solute and $V$ is the volume (in liters) of the solution.

For the first blank:

The first blank asks for what the moles are of. In the molarity formula, $n$ is the moles of the solute (the substance being dissolved).

For the second blank (and the liters part):

The second blank (and the liters) refers to the solution (the solute + solvent mixture). The volume used in molarity is the volume of the entire solution (in liters).

If we assume the dropdowns have options like "solute" (for the first blank) and "solution" (for the second blank), the correct answers would be:

First blank: solute
Second blank: solution

(Note: If specific options were provided in the dropdowns, we would select "solute" for the first and "solution" for the second based on the molarity formula $M = \frac{\text{moles of solute}}{\text{liters of solution}}$.)

Answer:

To solve this, we recall the formula for molarity ($M$):

The formula for molarity is $M = \frac{n}{V}$, where $n$ is the number of moles of the solute and $V$ is the volume (in liters) of the solution.

For the first blank:

The first blank asks for what the moles are of. In the molarity formula, $n$ is the moles of the solute (the substance being dissolved).

For the second blank (and the liters part):

The second blank (and the liters) refers to the solution (the solute + solvent mixture). The volume used in molarity is the volume of the entire solution (in liters).

If we assume the dropdowns have options like "solute" (for the first blank) and "solution" (for the second blank), the correct answers would be:

First blank: solute
Second blank: solution

(Note: If specific options were provided in the dropdowns, we would select "solute" for the first and "solution" for the second based on the molarity formula $M = \frac{\text{moles of solute}}{\text{liters of solution}}$.)