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3 years ago

What is the molar mass of fluorine gas, F2?

Chemistry

2 answers:

wolverine [178]3 years ago

7 0

Answer:

about 38 grams (37.996 grams)

Explanation:

use the periodic table. Fluorine is about 18.998 grams which is about 19 grams. F2 is 2 fluorine, so multiply fluorine's molar mass by 2 to get the answer

Paladinen [302]3 years ago

6 0

Answer:

37.99681 g/mol

Explanation:

Hope it helps!

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If an atom can form more than one cation, the cation with the lowest charge ends with which set of letters?

Verdich [7]

Answer:

Answer is A

Explanation:

Now we know that an atom wants to complete its outer shell while keeping electrons in pairs of two now in A there are four electrons which which can be ejected while in B will want to accept 3 electrons to complete its shell as ejecting five will take lot of energy similar case will be for C,D and E which would want to accept 2,1,0 electrons respectively

3 0

2 years ago

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Write an ionic equation for the reaction of acetic acid with sodium ethoxide, and specify whether the equilibrium favors startin

Elina [12.6K]

<h2>Acetic Acid + Sodium ethoxide ⇄ Butyric Acid + Sodium Hydroxide</h2>

Explanation:

An ionic equation for the reaction of acetic acid with sodium ethoxide is as follows -

Reactants -

Acetic Acid and Sodium ethanolate (sodium ethoxide)

Products -

Butyric Acid and Sodium hydroxide

Hence,

Acetic Acid + Sodium ethoxide ⇄ Butyric Acid + Sodium Hydroxide

$CH_3COOH + C_2H_5ONa$ ⇄ $CH_3COOC_2H_5 + NaOH$

Weak acids and bases have low energy than strong acids and bases.

The chemical equilibria shift the reaction side with the species having lower energy.

Given reaction is an acid-base reaction in which the equilibrium favors the starting material that means it will go to the side of the weakest acid that is acetic acid is weaker than butyric acid.

6 0

3 years ago

Which form of co2 transport accounts for the greatest amount of co2 transported in blood?

ra1l [238]

The greatest amount of CO2 transported in blood is in the form of bicarbonate in plasma. Most of the carbon dioxide is converted into bicarbonate with the help of carbonic anhydrase which is an enzyme. This enzyme converts carborn dioxide and water into bicarbonate and hydrogen ions. The bicarbonate in plasma accounts for about 70% of CO2.

5 0

3 years ago

What is the correct answer ??

Ber [7]

Answer:

[H_3 O^+] = 1.0 ×10^-13

Explanation:

If we multiply the left side we get, 1e - 13. We add 13 to the right side while subtracting the remaining value from the left side (H3O+) than combine like terms. As you will get pH = 13.00

7 0

3 years ago

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What is the mass in grams of 1.00 x 10 24 atoms of Mn?

Alex17521 [72]

<h3>Answer:</h3>

91.2 g Mn

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

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 1.00 × 10²⁴ atoms Mn

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

Avogadro's Numer

[PT] Molar Mass of Mn - 54.94 g/mol

<u>Step 3: Convert</u>

[DA] Set up: $\displaystyle 1.00 \cdot 10^{24} \ atoms \ Mn(\frac{1 \ mol \ Mn}{6.022 \cdot 10^{23} \ atoms \ Mn})(\frac{54.94 \ g \ Mn}{1 \ mol \ Mn})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 91.2321 \ g \ Mn$

<u>Step 4: Check</u>

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

91.2321 g Mn ≈ 91.2 g Mn

7 0

3 years ago

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