edentillman
edentillman edentillman
  • 23-08-2017
  • Chemistry
contestada

a substance has a volume of 20mL and a density of 2.5 g/mL. what is it’s mass?

0.125 g

8 g

22.5 g

50 g

Respuesta :

593885257 593885257
  • 23-08-2017
2.5X20=50g
50g should be the right answer
Mass=volumeXdenisty.
Answer Link

Otras preguntas

Need help with biology homework questions 5 and 6
Distance between (-3, 4/11) and (3, 4/11)
Tasha is buying a cd that is regularly $12.99 and is on sale for 1/4 off.
Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. He plans to mix together some of each solution to create 30 millil
Sydney needs 70cm of feinge for each scarf she makes. How many scarves can she make if she has 6 meters of fringe?
Which of the following devices might be useful for a child with autism who is completely nonverbal? microphone electrolarynx electronic "talker" none of these
(10.02) The point (−3, 1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of θ? Make sure to show all
You are trying to access the Wi-Fi network at a coffee shop. What protocol will this type of wireless networking most likely use?
If alpha and beta are the zeroes of the polynomial f(x)=x2- p(x+1) - c show that (alpha+1) (Beta +1) = 1-c
Which of the following statements about iron filings placed upon glass resting on top of a bar magnet is false? A. The direction of the flux in the portion of a