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GuDViN [60]
3 years ago
10

Calculate the [H+] for a solution with a pOH of 4.75

Chemistry
1 answer:
S_A_V [24]3 years ago
7 0

Answer:

Explanation:

A. 1.3 x 10-10 M

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please help!!!!!! What is the mass of 1 mole of magnesium (Mg)? Express your answer to four significant figures. The mass of 1 m
Semmy [17]
I believe you just look at your periodic table for this value. I don't think there is any math involved.
Therefore one mole of Mg = 24.305g.
5 0
3 years ago
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Complete the sentence : Cellular respiration occurs
andre [41]
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3 years ago
if 3.26 g of FeNO33 is dissolved in enough water to make exactly what is the molar concentration of nitrate ion g
Tanzania [10]

Answer:

0.404M

Explanation:

...<em>To make exactly 100.0mL of solution...</em>

Molar concentration is defined as the amount of moles of a solute (In this case, nitrate ion, NO₃⁻) in 1 L of solution.

To solve this question we need to convert the mass of Fe(NO₃)₃ to moles. As 1 mole of Fe(NO₃)₃ contains 3 moles of nitrate ion we can find moles of nitrate ion in 100.0mL of solution, and we can solve the amount of moles per liter:

<em>Moles Fe(NO₃)₃ -Molar mass: 241.86g/mol-:</em>

3.26g * (1mol / 241.86g) =

0.01348 moles Fe(NO₃)₃ * (3 moles of NO₃⁻ / 1mole Fe(NO₃)₃) =

<em>0.0404 moles of NO₃⁻</em>

In 100mL = 0.1L, the molar concentration is:

0.0404 moles of NO₃⁻ / 0.100L =

<h3>0.404M</h3>
5 0
3 years ago
Which of the following is an electrolyte?<br> CH4OH<br> O Ca(NO3)2<br> O C12H22011<br> O CH3CH2OH
Slav-nsk [51]

Answer:

O CH3CH2OH

Explanation:

5 0
3 years ago
Solution and hydrolysis combine to create ________ in streams.
Vaselesa [24]
~Hello there!

Your question: <span>Solution and hydrolysis combine to create ________ in streams.

Your answer: </span><span>Solution and hydrolysis combine to create corrosion in streams.

Hope this helps! :3
</span>
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3 years ago
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