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Anni [7]
3 years ago
7

What is meant by Vulcanicity?​

Chemistry
1 answer:
scZoUnD [109]3 years ago
3 0

The quality or state of being volcanic.

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

The correct answer is option B

Explanation:

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

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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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