One Ba2+ and two Br- ions will be there.
Answer is 3
Is divided by the same number that goes into the number being divided evenly so there are no remainers
example....
2 2 1
__ ÷ __ = __
4 2 2
Answer:
The concentration of hydrochloric acid would be estimated to be less.
Explanation:
This is because, the hydroxyl ions from water react with the hydrogen ions from the hydrochloric acid, hence decreasing the moles of hydrogen ions which lowers the acidic strength of Hydrochloric acid.
<h3>Question :</h3>
Which of the following sources could not be used to obtain the DNA of a person lost in a mass disaster?
- used and unwashed clothing or bed sheets
- food found in the victim's refrigerator
- sunglasses regularly used by the person
- a toothbrush used by the person
<h3>Answer :</h3>
food found in the victim's refrigerator could not be used to obtain the DNA of a person lost in a mass disaster.
So, correct answer is 2nd one.
Answer:
4( atoms of the same element always have different atomic weights)
Explanation:
the number of protons in the atoms of the same type can be different especially in isotopes
