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Lubov Fominskaja [6]
3 years ago
5

The pH scale from 7 to 14 is for a(n) What .

Chemistry
1 answer:
Inessa [10]3 years ago
7 0
The pH scale from 7-14 means it is a base

A substance used to determine pH is an indicator

Commonly used acid indicator is litmus paper (aka pH paper)

Hope this helps! Let me know if you need more help!
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There are on average 43 g of sugar and 355 mL can of soda please calculate the molarity of sugar in the can of soda the molar ma
vfiekz [6]

Explanation:

Given :

Amount of solute - sucrose (C12H22O11) = 41 g

Amount of solvent -soda  = 355-mL

Molarity of the solution with respect to sucrose= ?

Molarity(M) is a unit of concentration measuring the number of moles of a solute per liter of solution. The SI unit of molarity is mol/L.

Formula to find the molarity of solution :

               Molarity =  

Amount of solvent is given in mL, let’s convert to L :

               1 L = 1000 mL

Therefore, 355 mL in L will be :

                   

               = 0.355 L

We have the amount of solute in g, let’s calculate the number of moles first :

       Number of moles (n) =  

Molar mass of C12H22O11 = 342.29 g/mol.

Therefore, n =  

               = 0.119 moles.

8 0
4 years ago
In the reaction 2H2 + O2-->2H2O how many hydrogen molecules are needed to produce two water molecules
natka813 [3]
2 hydrogens per water molecule
6 0
3 years ago
What is the term for the amount of space occupied by an object?
Rzqust [24]

Answer: <u>Volume</u>

Explanation:

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5 0
4 years ago
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Why does a solid have a definite shape and volume?
erica [24]

Answer:

B

Explanation:

The particles are bound to each other and they vibrate at an almost undetectable rate.

8 0
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How are covalent molecules named?
vodka [1.7K]

Answer:

B

Explanation:

APEX

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