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tiny-mole [99]
2 years ago
12

How do you feel about your performance on this "STEP TEST"?

Chemistry
1 answer:
Gennadij [26K]2 years ago
8 0

Answer:

Good

Explanation:

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11. You have 700 grams of AgO. How many moles are present?
solniwko [45]
<h2>Answer:</h2>

5.65moles

<h2>Explanations:</h2>

The formula for calculating the number of moles the compound contain is given as:

moles=\frac{Mass}{Molar\text{ mass}}

Given the following parameters

Mass of Ag = 700grams

Determine the molar mass of AgO

Molar mass = 107.87 + 16

Molar mass = 123.87g/mol

Determine the moles of AgO

\begin{gathered} moles=\frac{700}{123.87} \\ moles\text{ of AgO}=5.65moles \end{gathered}

Hence the moles of AgO present is 5.65moles

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In order for a substance to be soluble, the attraction of the ions to the water molecules must exceed the attraction between its own molecules and the water molecules.
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