2 years ago

In which material are the particles arranged in a regular geometric pattern?

Chemistry

1 answer:

Illusion [34]2 years ago

6 0

I think only solids arrange in a regular geometric pattern, so i2

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Sugar is easily soluble in water and has a molar mass of 342.30 g/mol. What is the molar concentration of a 259.8 mL aqueous sol

DanielleElmas [232]

Answer:

$M=0.822M$

Explanation:

Hello,

In this case, given the mathematical definition of molar concentration as the moles of solute divided by the liters of solution:

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

We can easily compute it by firstly computing the moles of sugar by using its molar mass:

$n=73.1g*\frac{1mol}{342.30g} =0.214mol$

After that, we compute the concentration by realizing 259.8 mL equals 0.2598 L:

$M=\frac{0.214mol}{0.2598L}\\ \\M=0.822mol/L$

Or just:

$M=0.822M$

Considering molar units as mol/L

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ddd [48]

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atroni [7]

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In the reaction mg(s)+2hcl(aq) h2(g)+mgcl2(aq), how many grams of hydrogen gas will be produced from 125.0 ml of a 6.0m hcl in a

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6.0m(mol/kg) of HCl
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