First we have to write balanced chemical equation:
CuSO₄.5H₂O + 4 NH₃ → [Cu(NH₃)₄]SO₄.H₂O + 4 H₂O
then calculate the molar mass of both CuSO₄.5H₂O and [Cu(NH₃)₄]SO₄.H₂O
MM CuSO₄.5H₂O = 249.612 g/mole
MM [Cu(NH₃)₄]SO₄.H₂O = 245.612 g/mole
from equation we see that:
1 mole CuSO₄.5H₂O ---gives ---> 1 mole [Cu(NH₃)₄]SO₄.H₂O
249.612 g ---gives ---> 245.612 g
? grams ---gives ---> 6 g complex
By cross multiplication we get that:
mass of CuSO₄.5H₂O required = 6.1 g
0.025 M will be the resulting concentration
Explanation:
To find the resulting concentration we use the following formula:
initial concentration × initial volume = final concentration × final volume
initial concentration = 0.15 M
initial volume = 2 mL
final concentration = ?
final volume = 10 + 2 = 12 mL
0.15 × 2 = final concentration × 12
final concentration = (0.15 × 2) / 12
final concentration = 0.025 M
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molar concentration
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defective greatest formerly knows sd ghost;
Oxidizing acids, such as nitric acid, can explode when mixed with what type of incompatible chemicals like alcohol, or charcoal.
An oxidizing acid is a Brønsted acid that is a strong oxidizing agent. most Brønsted acids can act as oxidizing agents because the acidic proton can be reduced to hydrogen gas. a few acids include other structures that act as stronger oxidizing agents than hydrogen ions.
Oxidizing acids include concentrated perchloric acid, nitric acid, iodic acid, chromic acid, and the glass cleansing mixture of chromium trioxide and sulfuric acid.
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D. Metals
Elements that are shiny, solid, conducts electricity, has atomic mass of 108 is metal.
