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OLEGan [10]
3 years ago
9

1 What is the approximate mass of a proton? (1)1 u (3) l g (2) 0.0005 u (4) 0.0005 g

Chemistry
1 answer:
joja [24]3 years ago
8 0
Proton mass = 1.672 x 10^-27 kilo. So the approximate mass of a proton would be 1 g or kg.
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Data: 
M_{concentrated} = 2.5\:mol
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<span>
Formula: Dilution Calculations

</span>M_{concentrated} * V_{concentrated} = M_{dilute} * V_{dilute}
<span>
Solving:

</span>
M_{concentrated} * V_{concentrated} = M_{dilute} * V_{dilute}
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V_{concentrated} =  \frac{0.05}{2.5}
\boxed{\boxed{V_{concentrated} = 0.02\:L\:or\:20\:mL}} \end{array}}\qquad\quad\checkmark<span>







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