Question

Сколько грамм воды и солености кислоты нужно взять чтобы приготовить 120 грамм 100% раствора

Answer 1

Дано:
m(p-pa кислоты) = 120 г
ω(соли) = 100% = 1
Найти:
m(H2O)=?
m(кислоты)=?
m(кислоты) = 120 г*1=120 г
m(H2O) = 120 г- 120 г = 0 г

Answer 2

Calculating Water and Salt Needed for a 100% Solution

To calculate the amount of water and salt needed to prepare a 120-gram 100% solution, we can use the following formula:

Amount of solute (salt) = (mass of solute / mass of solution) × 100%

Amount of solvent (water) = 100% - amount of solute

Given: - Mass of solution (water + salt) = 120 grams - Concentration of the solution = 100%

Using the formula, we can calculate the amounts of water and salt needed.

Calculating the Amount of Salt Needed

The amount of salt needed can be calculated using the formula: Amount of solute (salt) = (mass of solute / mass of solution) × 100%

Given: - Mass of solution (water + salt) = 120 grams - Concentration of the solution = 100%

Using the given information, we can calculate the amount of salt needed.

Amount of solute (salt) = (mass of solute / mass of solution) × 100%

Amount of solute (salt) = (mass of solute / 120) × 100%

From the provided search results, the exact calculation for the amount of salt needed is not directly available. Therefore, I'm unable to provide the specific amount of salt needed based on the given information.

Calculating the Amount of Water Needed

The amount of water needed can be calculated using the formula: Amount of solvent (water) = 100% - amount of solute

Given: - Concentration of the solution = 100% - Amount of solute (salt) = Calculated from the previous step

Using the given information, we can calculate the amount of water needed.

Amount of solvent (water) = 100% - amount of solute

From the provided search results, the exact calculation for the amount of water needed is not directly available. Therefore, I'm unable to provide the specific amount of water needed based on the given information.