A teaspoon of salt is DISSOLVED into 100 grams of water and stirred until the sAM disappears. The mass of the liquid is now. less than 100g because the mass of the salt is taken away 100g(as before), because only the water remains [Any of these could be true more than 100g, because it now is a solution of water and salt

Question

A teaspoon of salt is DISSOLVED into 100 grams of water and stirred until the sAM disappears. The mass of the liquid is now. less than 100g because the mass of the salt is taken away 100g(as before), because only the water remains [Any of these could be true more than 100g, because it now is a solution of water and salt

Answer 1

The mass of the liquid is now more than 100 grams. This is because it now includes both the water and the salt that was dissolved in it.

Answer 2

When the salt is dissolved in water, it blends in with the water but doesn't cause any of the water to disappear. In other words, we now have a mixture of salt and water. The weight of the water previously was 100 grams. Yet, we have now added some amount of salt, which will only add to the mass.Therefore, the mass of the solution (water + salt) should indeed weigh more than the original 100 grams of water, because we added the weight of the salt to the weight of the water.

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