Answer:
There will be produced 1.89x10²⁴ atoms of Ag
Explanation:
This is the reaction:
Cu + 2 AgNO₃ ⇒ Cu(NO₃)₂ + 2 Ag
1 mol of copper reacts with 2 moles of silver nitrate to produce solid silver and 1 mol of copper nitrate.
Ratio is 1:2 so from the moles I have of Cu, I'll produce the double of moles of silver.
100 g / 63.55 g / m = 1.57 moles of Cu
1.57 moles of Cu will produce 3.14 moles of Ag.
Let's calculate the number of atoms, by NA
1 mol of Ag has NA atoms (6.02x10²³)
3.14 moles of Ag will have (3.14 . NA) = 1.89x10²⁴ atoms of Ag
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Learn more about the gospel of Jesus Christ:
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Answer:
What is going on I am scared
Explanation:
Answer:
DE2
Explanation: for every one D+2 you need two E-1 because +2=-2
Answer:
[NH₃] → 3.24 M
Explanation:
Our solute: Ammonia
Our solvent: Water
Solution's mass = Mass of solute + Mass of solvent
Solution's mass = 15 g + 250 g = 265g
We use density to determine, the volume.
D = mass /volume → Volume = m / D → 265 g /0.974 g/mL = 272.07 mL.
We convert the mL to L → 272.07 mL . 1L /1000mL = 0.27207 L
To determine molarity we need the moles of solute in 1 L of solution.
Moles of solute are: 15g / 17g/mol = 0.882 moles
[NH₃] = 0.882mol /0.27207 L → 3.24 M
