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11111nata11111 [884]
3 years ago
12

A chemist determined by measurements that 0.0500 moles of nickel participated in a chemical reaction. Calculate the mass of nick

el that participated in the chemical reaction.
Chemistry
1 answer:
Rashid [163]3 years ago
5 0

Answer:

2.94 grams Nickle

Explanation:

All they are asking is to convert moles to grams

To do this, find the atomic mass of nickel using the periodic table: 58.693 g

0.05 mol * 58.693 g/1 mol = 2.93465 grams

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Answer:

See explanation below

Explanation:

First, we need to understand that the monochlorination of an alkane like this one, involves substitution of one of the atoms of hydrogen of the molecule for an atom of chlorine.

This reaction takes place when the alkane reacts with Cl₂ in presence of light or heat.

When this happens, the first step involves the breaking of the double bond of the chlorine to form the ion Cl⁻.

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The third step, the alkane with the lone pair of electron substract a chlorine for the beggining and form the mono chlorinated product.

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In the picture attached you have the mechanism and product for this reaction:

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If 45 mL of water are added to 250 mL of a 0.75 M K2SO4 solution, what will the molarity of the diluted solution be?
krok68 [10]

Answer:

\large\boxed{\large\boxed{0.64M}}

Explanation:

When you form a <em>diluted solution</em> from a mother (concentrated) solution, the moles of solute are determined by the mother solution.

The main equation is:

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Substitute and solve for the molarity of the diluted solution:

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