What is the molarity of a solution consisting of 1 mol of salt dissolved in 5 L of water? How many grams of hydrochloric acid (HCl) need to be dissolved in 2.5 L of water in order to make a 2.5 M solution?

How many moles of gas are in a sample at STP and a volume of 2.5 L? Report your answer to two significant figures.

A balloon with a volume of .75 L at room temperature of 25°C is placed into a freezer where the temperature is -5°C. What will its volume be in the freezer?
a.0.75 L
b.0.67 L
c.0.83 L
d.0 L

people flirt to show their affection towards someone in a less forward way then telling. they want the other person to guess what they’re feeling to have the other person also start to like them

if you mean hydrogen and oxygen then water is the product

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i