The students can determine which of the solutions contains salt through the conductive tester.
<h3 /><h3>What is an ionic solution?</h3>
It is a solution containing ions are atoms that have gained or lost electrons to acquire a positive (lost electron) or negative (gained electron) charge.
An ionic solution would be able to conduct electricity whereas the covalent would not so if you have a conductivity tester which is available in most labs.
The students can distinguish between the 2 solutions through the conductive tester.
Learn more about the ionic solution here:
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At STP (standard temperature and pressure conditions), 1 mol of any gas occupies 22.4 L
This rule is applied to O₂
22.4 L volume occupied by 1 mol
Therefore 83.4 L occupied by - 1/ 22.4 x 83.4 = 3.72 mol
stoichiometry of O₂ to H₂O is 1:2
then the number of moles of water produced - 3.72 mol x 2= 7.44 mol
mass of water produced - 7.44 mol x 18.01 g/mol = 134.1 g
correct answer is D
Molarity is equal to the moles of solute over liters of
solvent. In getting the molarity of HCl, you must know the formula for two
solutions which is equal to M1V1 = M2V2. (2.00 M HCl)V1
= (20.0 milliliters) (1.00
M NaOH) and you have the volume of 10
millimeters of HCl.
Answer:
the thing is that you are wrong T
Explanation:
4. Gold: 79 Protons 118 Neutrons 79 Electrons
Potassium: Protons 19 Neutrons 20 19 Electrons
Copper: Protons 29 Neutrons 35 electrons 29
Oxygen: Protons 8 Neutrons 8 Electrons 8
Argon: Protons 18 Neutrons 22 Electrons 18
And for the Element with the symbol Ca: Calcium: Protons 20 Neutrons 20 Electrons 20
1. Atomic Number
2. Atomic Mass
3. How many protons are in the atom or in other words the atomic number.
