A sample of helium has a volume of 150.0 L at STP. How many moles of helium are in the container?

A solution is made by dissolving 22.1 g of lithium fluoride (LiF) in 188 g of water. What is the molality of the solution?

Which fuel is better renewable or non-renewable fuel and give a reason why

Who got credit for developing the periodic table

How does the temperature of a substance related to the kinetic energy of its molecules

Carlotta adds too much salt to her soup. She recalls that evaporation can be used to separate salt from salt water, so she plans to leave the soup on the stove on low heat until the soup is less salty.

How many moles of neon (Ne, 20.179 g/mol) are in 68.4 grams of neon

A 50.00 mL sample of groundwater is titrated with 0.0300 M EDTA. Of 12.40 mL of EDTA is required to titrate the 50.00 mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO 3 by mass

Why openness is important to the progress of science?

At a certain temperature the rate of this reaction is second order in NH4OH with a rate constant of 34.1 M^-1s^-1: Suppose a vessel contains NH4OH at a concentration of 0.100M.

If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molarity of the resulting solution?