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%.

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

I need help with the following three physics problems please!

I need 10 facts about John Williams

what does 'blow by blow' mean?

35% of what number is 17

A 10.0-milliliter sample of NaOH(aq) is neutralized by 40.0 milliliters of 0.50 M HCl. What is the molarity of the NaOH(aq)?

how much interest will you get on $800 investment for 1 year at 6.45% ?

How to add and subtract fractions

what are the differences between a trumpet and trombone?

a stone is dropped from the top of 50 m high tower simultaneously another stone is thrown upward with a speed of 20 m/s . calculate the time at which both the s

Who was Tchaikovsky? need help pls