How would you make 100 grams of a saltwater solution that is 20 percent salt.?

To make a 100-gram saltwater solution that is 20 percent salt, you would need to measure out 20 grams of salt and 80 grams of water. First, dissolve the 20 grams of salt in a small amount of water until fully dissolved. Then, add enough water to reach a total weight of 100 grams, ensuring the final solution maintains the desired concentration.