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Gennadij [26K]
3 years ago
6

What is the molarity of a solution with 58.9 g of glucose (molar mass: 180.16 g/mol) dissolved in water to a total volume of 450

.0 mL
Chemistry
1 answer:
sashaice [31]3 years ago
4 0

Answer:

Molarity of solution = 0.727M

Explanation:

Molarity of solution is defined as moles solute per Liter of solution. For the posted problem use M = n/V where n = moles of solute and V = Liters of solution. That is ...

n = 58.9g/180.16g·mole⁻¹ = 0.327 mole (3 sig. figs.)

V = 450.0ml/1000ml·L⁻¹ = 0.450L (3 sig. figs.)

∴ Molarity = n/V = 0.327mole/0.450L = 0.727mol/L = 0.727M

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if you have 1mol of NO. how many molecules of NO are there

Answer:

6.02 x 10²³ molecules

Explanation:

Given parameters:

Number of moles of NO = 1 mole

Unknown:

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Solution:

A mole of compound contains the Avogadro's number of particles.

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So, 1 mole of NO contained 6.02 x 10²³ molecules

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3 years ago
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vova2212 [387]

Answer:

44.2 L

Explanation:

Use Charles Law:

\frac{V1}{T1} =\frac{V2}{T2}

We have all the values except for V₂; this is what we're solving for. Input the values:

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From here, we need to get V₂ by itself. To do this, multiply by 273 on both sides:

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7 0
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Is there a phobia for chemical reactions specifically?
gizmo_the_mogwai [7]

Answer:

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Explanation:

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dlinn [17]
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Final answer: a. Liquid 
7 0
3 years ago
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