2 years ago

Solution of known concentration is called

Chemistry

1 answer:

Vesna [10]2 years ago

4 0

Answer:

standard solution

Explanation:

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How many grams of FeCl 3 are in 250. mL of a 0.100 M solution?

Naddika [18.5K]

Answer:

The correct answer is option B

Explanation:

$$Molarity=\frac{Weight}{Molecular \,weight} \frac{1000}{V(in \, ml)}$

Given values,

Molarity of $FeCl_3=0.100M$

Volume of solution, $V=250ml$

Molecular weight of $FeCl_3=162.2$

Substituting this values in Molarity formula, we get

$0.1=\frac{weight}{162.2} \times\frac{1000}{250} $\\$\Rightarrow 16.22=weight\times4$\\$\Rightarrow weight=\frac{16.22}{4} $\\$\therefore weight=4.06g$

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3 years ago

Which of the following best describes a mixture in which ionic compounds are dissociated in solution?

Ierofanga [76]

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3 years ago

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Aloiza [94]

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169.87 g/mol

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2 years ago

When an ionic compound is formed, is energy gained or lost?

Mrrafil [7]

Answer:

neither

Explanation:

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3 years ago

A. Identify the steps of the scientific method?

Greeley [361]

Answer:

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Explanation:

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2 years ago

Solution of known concentration is called​

Solution of known concentration is called