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Advocard [28]
4 years ago
13

Octylphenol ethoxylate is a detergent that is commonly used in chemistry laboratories. It is a thick, yellowish liquid. A chemis

t dissolves a small amount of octylphenol ethoxylate in a liter of benzene, an organic liquid, then adds a small amount of toluene, another organic liquid. Identify each component of the solution as a solute or a solvent.
Benzene is a

a) solute.

b) solvent.


Toluene is a

a) solute.

b) solvent.


Octylphenol ethoxylate is a

a) solute.

b)solvent.

the answer on edge2020 is solvent, solute, solute
Chemistry
1 answer:
Trava [24]4 years ago
3 0

Answer:

is solvent, solute, solute

Explanation:

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How many moles of copper atoms are in 150g of copper metal
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The answer to this question would be: 2.36 mol

To answer this question, you need to know the molecular weight of copper. Molecular weight determines how much the weight of 1 mol of a molecule has. Copper molecular weight about 63.5g/mol. Then, the amount of mol in 150g copper should be: 150g / (63.5g/mol)= 2.36 mol
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3 years ago
A 270.0 gram piece of copper is dropped into 300.0 grams of water 24.00 °C. If the final temperature of water is 42.00 °C, what
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Answer:

257

Explanation:

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Electron transport is the process by which ________. Multiple Choice fatty acids break apart to form acetyl-CoA NADH + H+ and FA
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Answer:

Electron transport is the process by NADH + H+ and FADH2 are converted to NAD+ and FAD, donating electrons and hydrogen ions to oxygen

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4 years ago
How many moles are in 3.113 g of Au?Molar mass of Au=197 g/mol
SVEN [57.7K]
<h3>Answer:</h3>

0.0157 g Au

<h3>General Formulas and Concepts:</h3>

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right
<h3>Explanation:</h3>

<u>Step 1: Define</u>

3.113 g Au

<u>Step 2: Identify Conversions</u>

Molar Mass of Au - 197.87 g/mol

<u>Step 3: Convert</u>

<u />3.113 \ g \ Au(\frac{1 \ mol \ Au}{197.87 \ g \ Au} ) = 0.015733 g Au

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

0.015733 g Au ≈ 0.0157 g Au

3 0
3 years ago
16.6g CaCl2 dissolved in water and completely dissociates. The molality of chloride ions in 300g of water is
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Answer:

— The molality of chloride ions in 300g of water is. A) 1.00 molal. B) 0.500 molal. C) 0.0553 molal. D) 0.111 molal.

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