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inysia [295]
3 years ago
10

Perform the following calculations and give your answer with the correct number of significant figures:

Chemistry
2 answers:
GarryVolchara [31]3 years ago
4 0
I think this is the answer try it 

172.3995<span>
</span>
bekas [8.4K]3 years ago
3 0
 The answer is: 172,3995
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How many moles are in 2.5L of 1.75 M Na2CO3
mixas84 [53]

Answer: There are 4.375 moles in 2.5 L of 1.75 M Na_2CO_3

Explanation:

To calculate the number of moles for given molarity, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}      

Molarity of solution = 1.75 M

Volume of solution = 2.5 L  

Putting values in equation , we get:

1.75M=\frac{\text{Moles of} Na_2CO_3}{2.5L}\\\\\text{Moles of }Na_2CO_3=1.75mol/L\times 2.5L=4.375mol

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state whether the following changes are physical or chemical for rancidipication fixation of water 2 tearing of paper 3 rusting
Artist 52 [7]
1. rancidification fixation of water is CHEMICAL CHANGE

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During which stage of the cell cycle dies the cell condense chromosomes and break down the nuclear envelope
saveliy_v [14]

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