28-03-2018
Chemistry

contestada

If there are 7 moles of copper dissolved in 15 moles of zinc to make 22 moles of a brass solution. What is the mole fraction of copper?

Respuesta :

mkryukova19 mkryukova19

28-03-2018

mole fraction of copper is 7/22

Answer Link

Otras preguntas

Isaiah hikes 11/12 mile along the Lake View Trail. Cheryl hikes 3/5 mile along the same trail. Who hikes farther?

Algebra 1 B.3 Evaluate variable expressions involving integers AZT Evaluate the expression for z = -1. 3z =

The VSEPR theory is used toQuestion 4 options:A) determine the partial charge δ on each atom.B) predict crystal structures.C) predict molecular structure.D) pre

Voltage drops in a series circuit are added to equal source voltage. Please find the value of E^2 in the volts circuit.

Mark was working on the long jumpcompetition, and he was able tojump 9 3/4 feet. Chris jumped 7/88 as far as Mark. Write and solve theequation that will help yo

write the rate as a fraction in simplest form 17 shrubs every 68 feet the unit rate is (blank) (shrubs or ft ----------

Which of the following is equivalent to the complex number i^801i-1-i

Assume the random variable X is normally distributed, with mean j = 49 and standard deviation o = 8. Find the 12th percentile.The 12th percentile is(Round to tw

The gravitational force, F, between an object and the Earth is inversely proportional to the square of the distance from the object and the center of the Earth.

Identify the principal in the scientific method for the following statement a nurse thinks a patient with a high glucose level has diabetes