食塩

1. Origins, structure, and basic meaning

• Structure: 食塩 is read as しょくえん and is a noun for salt or table salt in experimental and food-label contexts.
• Basic usage: Experiments use 水に食塩を溶かす, while label checking uses 食塩の量を確認する.

2. Common pitfalls and similar expressions

• Register versus 塩
  • Everyday salt can be 塩, while 食塩 fits precise discussion of concentration or stated food content.
• Substance and measured amount
  • Salt itself is dissolved in the solution, but the package is checked for the amount of salt contained in the food.