Teacher Marlyn asks you to prepare 20%m/m salt solution. Which of the following are the CORRECT things to do?
A. Dissolve 20g of salt in 100mL of water.
B. Add 20g of salt in 80mL of water.
C. In 90mL of water, add 6g of salt and stir it until all the salt dissolved.
D. In 150mL of water, add 30g of salt, then stir until all the salt crystals dissolve in water.
A. Dissolve 20g of salt in 100mL of water.
B. Add 20g of salt in 80mL of water.
C. In 90mL of water, add 6g of salt and stir it until all the salt dissolved.
D. In 150mL of water, add 30g of salt, then stir until all the salt crystals dissolve in water.
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Answer:
D yan sir sure ako.
Explanation:
No need