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Blizzard [7]
3 years ago
9

Which unit is used for measuring atomic mass?

Chemistry
1 answer:
Nadya [2.5K]3 years ago
4 0
It is amu or dalton both meet the same definition.
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How many potassium atoms are present in 0.01456 g of potassium??
leva [86]
Its going to be 2.81 x 1023 atoms 
8 0
3 years ago
Calculate the molality of 75.0 grams of MgCl2 (molar mass=95.21 g/mol) dissolved in 500.0 g of solvent.
nordsb [41]

<u>Answer:</u> The molality of magnesium chloride is 1.58 m

<u>Explanation:</u>

To calculate the molality of solution, we use the equation:

\text{Molality}=\frac{m_{solute}\times 1000}{M_{solute}\times W_{solvent}\text{ (in grams)}}

Where,

m_{solute} = Given mass of solute (magnesium chloride) = 75.0

M_{solute} = Molar mass of solute (magnesium chloride) = 95.21 g/mol  

W_{solvent} = Mass of solvent = 500.0 g

Putting values in above equation, we get:

\text{Molality of }MgCl_2=\frac{75.0\times 1000}{95.21\times 500.0}\\\\\text{Molality of }MgCl_2=1.58m

Hence, the molality of magnesium chloride is 1.58 m

5 0
3 years ago
Read 2 more answers
Which of the following would be considered an Exothermic Reaction?*
Digiron [165]

Answer:

Burning wood

Explanation:

the fire releases heat into the air from the burning wood

6 0
2 years ago
Using the information in the table, what is the average atomic mass of sulfur
Mice21 [21]
32.063 u is the answer, add all the variables and divide
3 0
3 years ago
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Determine the molecular geometry for ClF3ClF3.
aivan3 [116]

Answer:

The correct option is b

Explanation:

Firstly, the compound is ClF₃ and not ClF₃ClF₃. The name of the compound ClF₃ is chlorine trifluoride. It's electron geometry is trigonal bipyramidal (with the chlorine at the center and the atoms of the fluorine forming a triangular bipyramid around it) with a bond angle of 175° with an hybridization of sp³d.

6 0
3 years ago
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