johnnyg9319 johnnyg9319
  • 21-06-2017
  • Chemistry
contestada

If a Kg of an ointment contains 350 gms of active ingredient, what is the percentage strength of the ointment? 25%. 35%. 50%. 70%.

Relax

Respuesta :

dec77cat dec77cat
  • 21-06-2017
m₀ =1 kg = 1000 g
m* = 350 g

w=(m*/m₀)·100%

w=(350/1000)·100% = 35%
Answer Link

Otras preguntas

diary entry about my first day at school
Vertical hyphae produce what structures?
18/15 into a mixed number
why forces are balanced and unbalanced? need help with this the lesson is tommorow
If I arrange the numbers 4,5,6,7,8,9,10,11 and 12 in the squares so that the sums of all the rows,columns and diagonals are 24 what is the answer?(magic squares
How many sixths are in 3 and 1 third ??
Nina tosses 2 number cubes labeled 1 to 6. What is the probability that the sum is equal to 5?
What does work depend on in scientific terms?
Why Do Writers Use Personification?
If b^2-4ac=0 determine the need or real solutions of the equation ax^2+bx+c=0