1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
butalik [34]
3 years ago
7

How many moles of Cl- ions are needed to completely combine with 0.25 moles of Mg+2 ions?

Chemistry
1 answer:
liberstina [14]3 years ago
5 0
Mg⁺² + 2Cl⁻ = MgCl₂

n(Mg⁺²)=0.25 mol

n(Cl⁻)=2n(Mg⁺²)

n(Cl⁻)=2*0.25=0.5 mol
You might be interested in
What is the potential energy of the reactants from the following energy diagram?
slavikrds [6]
The potential energy of the reactants is 200J.
From the energy diagram, the energy of the product formed is 350J; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.<span />
5 0
3 years ago
Read 2 more answers
If an atom has three protons three neutrons and two electrons what is the electrical charge of the atom
Olenka [21]

Answer:

let assume the atom be x so the charge will be x^+

8 0
3 years ago
Read 2 more answers
Which function of lysosomes is carried out by vacuoles in plant cells
user100 [1]

Answer:

Lysosomes are predominantly found in eukaryotic animal cells and are responsible for breaking down cellular debris

Explanation:

7 0
3 years ago
1. The equation for the reaction between zinc and aqueous copper(II) sulfate is shown.
Fed [463]

Answer:

The oxidation state of the reducing agent has changed from 0 to +2.

Explanation:

reducing agent is anything that loses electron or gains oxygen

in this case, zinc

3 0
3 years ago
Explain how to use a graph to show whether or not the speed of an object is constant.
Sonbull [250]

Answer:

A horizontal line on a speed-time graph represents a constant speed. A sloping line on a speed-time graph represents an acceleration. The sloping line shows that the speed of the object is changing. The object is either speeding up or slowing down.

3 0
3 years ago
Other questions:
  • The maximum energy available for useful work from a spontaneous reaction
    15·1 answer
  • How many grams of NaCl are needed to prepare 50.0 grams of a 35.0% salt solution?​
    14·1 answer
  • What is MOST likely to be TRUE about most forensic scientists?
    11·1 answer
  • The collision between two gas molecules with different masses results in the velocity of the first molecule decreasing by 1/4. I
    12·1 answer
  • Rank the following elements by increasing electron negativity: s,o,Ne,Al
    7·1 answer
  • What nuclide, when bombarded by an α particle, will generate carbon-12 and a neutron?
    14·1 answer
  • Convert 7.004X1026 atoms magnesium to grams
    14·1 answer
  • 2) A solution consists of 0.50 mole of CaCl2 dissolved i
    13·2 answers
  • A sample of gas contains 6.25 × 10-3 mol in a 500.0 mL flask at 265°C.
    8·1 answer
  • Which of these structures is found in all types of plant and animal cells
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!