qxchung8674 qxchung8674

26-07-2017
Chemistry

contestada

How many moles of ions are released when 0.27 mol of cobalt (ii) chloride, cocl2, is dissolved in water?

Respuesta :

dec77cat dec77cat

26-07-2017

CoCl₂(s) → Co²⁺(aq) + 2Cl⁻(aq)

n(CoCl₂)=0.27 mol

n(Co²⁺)=n(CoCl₂)
n(Cl⁻)=2n(CoCl₂)

n=n(Co²⁺)+n(Cl⁻)=3n(CoCl₂)

n=3*0.27=0.81 mol

Answer Link

Otras preguntas

Ross Corporation manufactures and sells one product. The following information pertains to the company's first year of operations: Variable costs per unit: Dire

What percent of 50 is 18? Enter your answer in the box.

A bag contains red balls and white balls. If five balls are to be pulled from the bag, with replacement, the probability of getting exactly three red balls is 3

A classic counting problem is to determine the number of different ways that the letters of millennium can be arranged. Find that number. The number of differen

Americans have come a long way in reducing their overt prejudice among groups such as Hispanics, whites, blacks, Jews, and Asians. However, two hurdles still ex

A purely monopolistic firm_____________. A. has no entry barriers. B. produces a product or service for which there are many close substitutes. C. earns only a

State weather the following represents exponential growth, decay or neither. 40 POINTS!!!!!!!!!!!!!! EASY

What was the author's main purpose for waiting this passage? A. To tell an uplifting story B. To explain how to win an election C. To convince students to vote

Why did garrett agree to take in booth the "wounded confederate solder"

A company has introduced a new product in the market. The company distributes free samples of this product to people so that they can try it. This product is at