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Salsk061 [2.6K]
3 years ago
14

What is the molarity of a solution in which 175.8 grams of NaCl is dissolved in 1.5 L of water?

Chemistry
1 answer:
Sophie [7]3 years ago
8 0
175.8 g NaCl to moles:
(175.8 g)/(58.44 g/mol) = 3.008 mol NaCl

Molarity = moles of solute/volume of solution in liters

(3.008 mol NaCl)/(1.5 L) = 2.0 M.

The molarity of this solution would be 2.0 M.
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Hey there!:

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3.0 *6 / 1 =>

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Hope that helps!

3 0
3 years ago
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How many sulfur atoms are present in 25.6 g of Al2(S2O3)3
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Given the mass of Al_{2}(S_{2}O_{3})_{3}=25.6 g

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Converting mass of Al_{2}(S_{2}O_{3})_{3}to moles:

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Converting mol Al_{2}(S_{2}O_{3})_{3}to mol S:

0.0656mol Al_{2}(S_{2}O_{3})_{3}*\frac{6molS}{1mol Al_{2}(S_{2}O_{3})_{3}}=0.3936 molS

Converting mol S to atoms of S using Avogadro's number:

1 mol = 6.022*10^{23}atoms

0.3936mol S *\frac{6.022*10^{23}atoms S}{1 mol S}=2.37*10^{23} S atoms

5 0
3 years ago
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Answer:

LiOH + KCl —> LiCl + KOH

Explanation:

LiOH + KCl —> LiCl + KOH

The equation is balanced since we have the same number atoms of the different elements on both side of the equation

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Ivan
The answer would be 2. <span>an ion polarizes a nearby neutral atom, so that the part of the atom nearer to the ion acquires a charge opposite to the charge of the ion, and the part of the atom farther from the ion acquires a charge of the same sign as the ion

In neutral atoms, the negative and positive charge spread evenly. The charge from an ion could create an electric field that will attract the charge of the neutral atoms.
The neutral atoms charge sum still zero, but the distribution of charge could be changed.</span>
8 0
3 years ago
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