2. How much does 3.54 x 10^25 molecules of K2S weigh in grams?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What is a property of a double replacement reaction