Alkyl halides are formed by the replacement of one or more hydrogen atoms of an aliphatic hydrocarbon with _______.
1 answer:
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Answer:
Rock layer and sandwich layer is almost the same.
Why are rock layers are like sandwiches?
This geologic structure is called an anticline. Now gently bend your sandwich so that the layers are bowed downwards, thus creating a syncline. The presence of anticlines and synclines indicate strong forces that often form mountain ranges.
Answer:
Explanation:
The total mole of added = 15 × 1 × 10⁻³
= 15 × 10⁻³ mole
= 15 mmoles
the number of moles of NaOH added in order to neutralize the excess acid = 0.5905 × 29.393 = 17.36 mmoles
the equation for the reaction is:
2NaOH + -------->
i.e
2 moles of NaOH react with
1 moles of NaOH will react with 1/2
17.36 mmoles of NaOH = 1/2 × 17.36 mmoles of
= 8.68 mmoles
Number of moles of that react with MCO₃ = Total moles of
added - moles of
reacted with NaOH
= (15 - 8.68) mmoles
= 6.32 mmoles
+
------>
+
+
1 mole of react with 1 mole of
6.32 mmoles of = 6.32 mmoles of
number of moles of = 6.32 10⁻³ moles
mass of (carbonate salt) = 0.533 g
molar mass of = (M+60)g/mol
We all know that ;
number of moles = mass/molar mass
Then:
6.32 10⁻³ = 0.533 / (M+60)
(M+60) = 0.533/ 6.32 10⁻³
M + 60 = 84.34
M = 84.34 - 60
M = 24.34
Thus the element with the atomic mass of 24.34 is Chromium
The chemical formula for the compound is :