206salmaa 206salmaa
  • 24-02-2022
  • Chemistry
contestada

what is the mass of a 167.8 L (at STP) sample of helium gas ?

Respuesta :

indrawboy
indrawboy indrawboy
  • 24-02-2022

1 mole at STP = 22.4 L

167.8 : 22.4 = 7.49 mole

mass = mole x Ar He

mass = 7.49 x 4 g/mol = 29.96 g

Answer Link

Otras preguntas

Last summer, at Camp Okey-Fun-Okey, the ratio of the number of boy campers to the number of girl campers was 8:7. If there were a total of 195 campers, how man
Which is greater 5000 ml or 40L
is 3 tenths multiplied by 100 equal 300 thousandths
If One monkey can eat one banana in 3mins then 10 monkeys can eat 10 bananas in how much time? A. 10minutes B. 30minutes C. 3minutes D. 2minutes
What is the value of 43,782 underline digit is 7
Risa is sewing a ribbon around the sides of a square blanket east side of the blanket is 72 inches long how many inches of ribbon will risa need
If you round 552,945 what would be the anwering
Which one of the following is the catalyst in a metabolic pathway? a. Carbohydrates b. Phosphate groups c. Enzymes
How would you describe king arthur as a king?
Canada has a population that is about one tenth of a large is the United States and Canada's population is about 32 million about how many people live in the Un