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

Which of the following countries is not located on the equator? Gabon Congo Egypt Somalia

What is the method that a physician uses to control a nosebleed?

Which novel opens with it was a bright cold day in april, and the clocks were striking thirteen.? 1984?

How to find out where an item was purchased by the upc code?

URGENT!! WILL GIVE FAN AND MEDAL! Emma wrote the following paragraph proof showing that rectangles are parallelograms with congruent diagonals. According to the

During the Cold War, this was the portion of Germany what existed as a socialist state and a "satellite" of the Soviet Union.

I need help with this any help would be greatly appreciated. Earth receives energy from the sun through what method of heat transfer? A.conduction B.convection

A sample of chlorine containing isotopes of mass numbers 35 and 37 was analysed in a mass-spectrometer. How many peaks corresponding to Cl+2 were recorded? A 2

The first and last note in a major or minor scale is called the:

which element in Group 15 has the strongest metallic character