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Svet_ta [14]
3 years ago
7

Which of the following is NOT true?

Chemistry
2 answers:
ivanzaharov [21]3 years ago
4 0
B, hope this helps :)
MrRissso [65]3 years ago
3 0

Answer:

I got B too.

Explanation:

Answer via Founder's Education/ Educere

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No, hydrogen can only hold one bond and that's it.  It only needs to be paired with one bond.  
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What is the solubility of m(oh)2 in a 0.202 m solution of m(no3)2? ksp = 9.05×10−18?
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3 years ago
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sergejj [24]

Answer: 5. Positive

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9. Oxygen carbon hydrogen nitrogen

Explanation:

7 0
2 years ago
A chemist prepares a solution of potassium dichromate by measuring out of potassium dichromate into a volumetric flask and filli
riadik2000 [5.3K]

Answer:

0.297 mol/L

Explanation:

<em>A chemist prepares a solution of potassium dichromate by measuring out 13.1 g of potassium dichromate into a 150 mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's potassium dichromate solution. Be sure your answer has the correct number of significant digits.</em>

<em />

Step 1: Calculate the moles corresponding to 13.1 g of potassium dichromate

The molar mass of potassium dichromate is 294.19 g/mol.

13.1 g × (1 mol/294.19 g) = 0.0445 mol

Step 2: Convert the volume of solution to L

We will use the relationship 1 L = 1000 mL.

150 mL × (1 L/1000 mL) = 0.150 L

Step 3: Calculate the concentration of the solution in mol/L

C = 0.0445 mol/0.150 L = 0.297 mol/L

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2 years ago
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3 years ago
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