dkayy21
dkayy21 dkayy21
  • 14-04-2021
  • Chemistry
contestada

if a sample is 0.5g but has an impurity of 70% what is the real mass of the sample(pure)?​

Respuesta :

zaimarashid2003 zaimarashid2003
  • 14-04-2021

Answer:

0.15

Explanation:

0.5 is100% of the total mass if 70% is impure .find the mass of 70%

which is 0.35g take 0.5 -0.35 =0.15

0.15 is the mass of the pure sample

Answer Link

Otras preguntas

what is |3.8| i need help
Charcteristics of Harappan
What large river in Brazil has its mouth at the Atlantic Ocean?
Solve the equation -3q + 1.5 = -5 -1.7q
35.4% expressed as a decimal becomes A.35.54 B. 0.354 C. 35.0 D.354
both Seagulls and wild geese are large birds. They're also similar in that both kinds of birds can fly over great distances. On the other hand, seagulls are sca
A species is a group of organisms capable of mating and producing offspring, and ___________ is the process of forming a new species.
The perimeter of a rectangle is 64 units. Can the length x of the rectangle can be 20 units when its width y is 11 units? A:No, the rectangle cannot have x =
Name all the empires of the world.
Which electron configuration represents an atom of sodium and why? A. 1s2 2s2 2p6 3s1 B.1s1 2s2 2p6 3s2 C. 1s2 2p6 3s2 3p1 D. 1s2 2s2 2p6 4s1