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3 years ago

What is the volume of 10 paper clips in ml

Chemistry

2 answers:

vredina [299]3 years ago

7 0

Answer:

10.000

Explanation:

Burka [1]3 years ago

4 0

The answer is 10 ml for the volume of the paper clips

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4 years ago

Questions: 1. Why are atomic masses on the periodic table decimal numbers?

fomenos

Answer:

The atomic mass on the periodic table is a decimal number because it is an average of the different isotopes of an element.

P.S.

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3 years ago

Show the equation how many grams of Mg(OH)2 would be produced from 4 mol KOH?

Sindrei [870]

Mole ratio:

MgCl₂ + 2 KOH = Mg(OH)₂ + 2 KCl

2 moles KOH ---------------- 1 mole Mg(OH)₂
4 moles KOH ------------------- moles Mg(OH)₂

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= 2 moles of Mg(OH)₂

molar mass Mg(OH)₂ = 58g/mol

mass of Mg(OH)₂ = n x mm

mass of Mg(OH)₂ = 58 x 2

= 116 g of Mg(OH)₂

hope this helps!

8 0

3 years ago

Calculate the mass, in grams, of each sample. a. 1.1 * 1023 gold atoms b. 2.82 * 1022 helium atoms c. 1.8 * 1023 lead atoms d. 7

Vlada [557]

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Explanation:

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3 years ago

I’LL MAKE YOU BRAINLIEST+ FREE POINTS

Pavel [41]

Answer:

The solution's new volume is 1.68 L

Explanation:

Dilution is the procedure to prepare a less concentrated solution from a more concentrated one, and simply consists of adding more solvent. So, in a dilution the amount of solute does not vary, but the volume of the solvent varies.

In summary, a dilution is a lower concentration solution than the original.

The way to do the calculations in a dilution is through the expression:

Ci*Vi=Cf*Vf

where C and V are concentration and volume, respectively; and the i and f subscripts indicate initial and final respectively.

In this case, being:

Ci= 7 M
Vi= 0.60 L
Cf= 2.5 M
Vf=?

Replacing:

7 M*0.60 L= 2.5 M* Vf

Solving:

$Vf=\frac{7 M*0.60 L}{2.5 M}$

Vf= 1.68 L

The solution's new volume is 1.68 L

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3 years ago