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

13 points!! Mikes bikes charges an initial fee of $10 to rent a bike plus $5 per hour (h) of use. If the total cost (t) can be determined using the equation t=1
Polygon LMNPQ is shown on the coordinate grid. What is the preempted of polygon LMNPQ
Q1. Read the case study below and answer the question. (Marks: 05, word limit max 500) Saima is the daughter of a farmer, who lives in a village, near Tandu All
Calculate Neptune's mass given the acceleration due to gravity at the north pole is 11.529 m/s2 and the radius of Neptune at the pole is 24,340 km.
Sara needs to take a taxi to get to the movies. The taxi charges $4.75 for the first mile, and then $2.25 for each mile after that. If the total charge is $18.2
Which of the following situations are equal to 20%? Select all that apply. A) 5 out of 25 B) 8 out of 40 C) 2 out of 8 D) 16 out of 80 E) 12 out of 24
how do you solve 5/2 b - 2 3/4 = 7 1/4
What to do when your head gets stuck inside a bee hive
What are the solutions of this quadratic equation? x2 + 2x = -2
Why do cells need to replicate their DNA?