Answer:
they cause animals home's to be destroyed
Explanation:
The molarity of the NaCl in the 250 ml slat solution is 2.8M.
<h3>What is molarity?</h3>
The molarity of a solution is defined as the concentration of a solute per unit volume of the solution.
Given, the volume of the solution is 250 ml converted into l 0.25
The number of moles of NaCl is 0.70.
By the formula of molarity
Thus, the molarity is 2.8 M.
Learn more about molarity
brainly.com/question/14693949
Answer:
This relationship between temperature and pressure is observed for any sample of gas confined to a constant volume. If the temperature increases by a certain factor, the gas pressure increases by the same factor.
Answer:
Explanation:
This question appear incomplete. However, chemical substances that conduct electricity when dissolved in water are elctrovalent/ionic compounds. These compounds are usually made up of elements in group 1 and group 7 (for example NaCl, NaI and LiF) but could also be made up of group 2, group 3 and group 6 [for example Mg(OH)₂ and Al(OH)₃]. Thus, they can be loosely said to be found in those groups in the S and P blocks of the periodic table.
NOTE:
Sodium (Na) is found in group 1 (S-block)
Lithium (Li) is found in group 1 (S-block)
Chlorine (Cl) is found in group 7 (P-block)
Iodine (I) is found in group 7 (P-block)
Flourine (F) is found in group 7 (P-block)
Magnesium (Mg) is found in group 2 (S-block)
Aluminium (Al) is found in group 3 (S-block)
Oxygen (O) is found in group 6 (P-block)
Hydrogen (H) is found in group 1 (S-block)
Answer:
The mass of S that reacted is 0.642g
Explanation:
In this case we have
⇒ mass of crucible and cover, 25.429g
⇒ mass of crucible, cover, and Pb, 29.465g
⇒ mass of crucible, cover and commass of crucible and coverpound formed, 30.107g
The mass of Pb reacted = mass of crucible, cover, and Pb - mass of crucible and cover = 29.465 - 25.429 = 4.036g
The mass of compound formed = mass of crucible, cover and commass of crucible and coverpound formed - mass of crucible and cover = 30.107 - 25.429g = 4.678g
The mass of S reacted = Mass of compound formed - mass of Pb reacted = 4.678 -4.036 = 0.642g
The mass of S that reacted is 0.642g
