3 years ago

Which element has a larger atomic radius than sulfur?

Chemistry

1 answer:

Galina-37 [17]3 years ago

4 0

Phosphorus has a larger atomic radius than Sulfur

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Calculate the molarity of a solution prepared by

lions [1.4K]

Answer:

Molarity= 0.414M

Explanation:

Applying dilution formula

C1V1=C2V2

0.9×0.575= C2× 1.25

C2= 0.414M

4 0

3 years ago

To make a 1.0L dilute of 0.5M from a stock solution of 12M, how much solution will be needed?

Cerrena [4.2K]

Answer:

$V_{concentrated}=0.042L=4.2mL$

Explanation:

Hello,

In this case, since in a dilution process the moles of the solute must remain unchanged, we use the volumes and molarities as shown below:

$M_{diluted}V_{diluted}=M_{concentrated}V_{concentrated}$

Clearly, the concentrated solution is 12M and the diluted solution is 0.5 M, thus, the volume of the concentrated solution we should take is:

$V_{concentrated}=\frac{M_{diluted}V_{diluted}}{M_{concentrated}} =\frac{0.5M*1.0L}{12M}\\ \\V_{concentrated}=0.042L=4.2mL$

Best regards.

6 0

3 years ago