A bottle contains 1 liter of a solution that is 30% salt. How much salt is in th

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Question: A bottle contains 1 liter of a solution that is 30% salt. How much salt is in the solution? (2022)

Options:

Correct Answer: 300 g

Exam Year: 2022

Solution:

Amount of salt = 30% of 1 liter = 0.3 liters = 300 g (since 1 liter of water is approximately 1000 g).

A bottle contains 1 liter of a solution that is 30% salt. How much salt is in the solution? (2022)

A bottle contains 1 liter of a solution that is 30% salt. How much salt is in the solution? (2022)

Step 1: Understand that the solution is 30% salt. This means that for every 100 parts of the solution, 30 parts are salt.
Step 2: The total volume of the solution is 1 liter. We need to find out how much of that 1 liter is salt.
Step 3: Calculate 30% of 1 liter. To do this, convert 30% to a decimal by dividing 30 by 100, which gives you 0.3.
Step 4: Multiply 0.3 by 1 liter to find the amount of salt: 0.3 liters of salt.
Step 5: Convert liters of salt to grams. Since 1 liter of water is approximately 1000 grams, multiply 0.3 liters by 1000 grams/liter.
Step 6: The result is 300 grams of salt.

Percentage Calculation – Understanding how to calculate a percentage of a given quantity.
Unit Conversion – Converting liters of salt solution to grams based on the density of water.