Question

Find the mass precent of solute and solvent if 25 g of nacl is dissolved in 75g of h2o

Answer 1

The mass percent of NaCl (solute) in the solution is 25%, and the mass percent of H₂O (solvent) in the solution is 75%.

Step-by-step explanation:

To find the mass percent of solute and solvent, we first add the masses of the solute (NaCl) and the solvent (H₂O) to determine the total mass of the solution. In this case, it's 25 g of NaCl and 75 g of H₂O, which gives us a total mass for the solution of 100 g.

The mass percent of the solute (NaCl) is calculated by dividing the mass of the NaCl by the total mass of the solution and then multiplying by 100 to get a percent. The mass percent of the solvent (H₂O) is found by dividing the mass of the H2O by the total mass of the solution and then multiplying by 100.

The calculation for NaCl would be:

(25 g NaCl / 100 g solution) × 100 = 25%.

The calculation for H₂O would be:

(75 g H2O / 100 g solution) × 100 = 75%.

Answer 2

The mass percent of solute (NaCl) is 25% and the mass percent of solvent (H₂O) is 75%.

Step-by-step explanation:

To find the mass percent of solute and solvent, we need to calculate the mass of NaCl and the mass of H₂O separately.

Given: 25 g NaCl

We know that the mass of solution is the sum of the mass of solute and the mass of solvent.

Mass of solute = 25 g NaCl

Mass of solvent = 75 g H₂O

To find the mass percent of solute and solvent, we use the following formulas:

Mass percent of solute = (mass of solute / mass of solution) x 100%

Mass percent of solvent = (mass of solvent / mass of solution) x 100%

Substituting the given values:

Mass percent of solute = (25 g / 100 g) x 100% = 25%

Mass percent of solvent = (75 g / 100 g) x 100% = 75%

Therefore, the mass percent of solute (NaCl) is 25% and the mass percent of solvent (H₂O) is 75%.