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3 years ago

Can you help me with this question

Chemistry

1 answer:

Digiron [165]3 years ago

3 0

Answer:

lithium is the most reactive alkali metal false as the reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal.

covalent bond is formed due to mutual sharing of electrons true

potassium is most reactive matal in activity series of metals false no lithium is more reactive than potassium

the process in which heat is given on surrounding is exothermic reaction not endothermic reaction

alkyl molecule is formed by removal of one hydrogen atom from alkane molecule true

Explanation:

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0.00000721 Kilometer

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3 years ago

When 100. mL of 6.00 M HCl is diluted to 300. mL, the final concentration is ________.

Marat540 [252]

Answer:

2.00 M

Explanation:

The concentration of a solution is given by

$M=\frac{m}{V}$

where

m is the mass of solute

V is the volume of the solution

At the beginning, the solution has:

M = 6.00 M is the concentration

V = 100 mL = 0.1 L is the volume

So the mass of solute (HCl) is

$m=MV=(6.00)(0.1)=0.6g$

Then, the HCL is diluted into a solution with volume of

V = 300 mL = 0.3 L

Therefore, the final concentration is:

$M=\frac{m}{V}=\frac{0.6}{0.3}=2.00 M$

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3 years ago

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Explanation:

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3 years ago

Can you help me with this question ​

Can you help me with this question