2 years ago

_________ flowing in the filament of an electric cell makes it glow

1 answer:

belka [17]2 years ago

3 0

Answer:

the current

Explanation:

hope it helps you..

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SVETLANKA909090 [29]

Atoms that have lost or gained one or more electrons are called ions.

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3 years ago

yuradex [85]

Answer:

You need 8,324 g of CaCl₂ yo make this solution

Explanation:

Molarity is a way to express concentration in a solution, in units of moles of solute per liter of solution.

To know the grams of CaCl₂ it is necessary to know, first, the moles of this substance with the desired volume and concentration , thus:

0,1500 L × $\frac{0,500 mol}{L}$ = 0,075 CaCl₂ moles

Now, with the molar mass of CaCl₂ you will obtain the necessary grams, thus:

0,075 CaCl₂ moles × $\frac{110,98 g}{mol}$ = 8,324 g of CaCl₂

So, you need <em>8,324 g of CaCl₂</em> to make 150,0 mL of a 0,500M solution

I hope it helps!

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adelina 88 [10]

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ozzi

Like if you imagine making something you create a hypothesis about was to make that happen

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