Answer:
Explanation:
Hello.
In this case, since the molarity is computed by the division of the moles of the solute by the volume of the solution in liters:
We first compute the moles of glucose (molar mass 180 g/mol) as shown below:
Therefore, the molarity turns out:
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Answer:
S= 2(1) = 2
O= 2(4) = 8
Na= 2(2) = 4
Explanation:
The given compound is:
2Na₂SO₄
An element is a distinct substance that cannot be split up into simpler substances.
So;
Number of atoms of elements here are:
S= 2(1) = 2
O= 2(4) = 8
Na= 2(2) = 4
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➷ The correct option would be petroleum
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Answer:
Is it prescribe to you?If so than yes if not then no need to
Explanation:
KI-starch paper allows the detection of strong oxidizers such as nitrite. It is used here to control diazotization of 4-nitroaniline. Nitrite oxidizes potassium iodide in order to form elemental iodine which reacts with starch to a blue-violet complex. With KI-starch paper, enough sodium nitrite is added to produce nitrous acid, which <span>then will react with 4-nitroaniline to form a diazonium salt.</span>