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Sav [38]
3 years ago
11

There are ________ groups on the Periodic Table and __________ periods on the Periodic Table. (Type your answers as numbers)

Chemistry
2 answers:
Allisa [31]3 years ago
8 0

Answer:

8 and 7

Explanation:

JulijaS [17]3 years ago
6 0

Answer:

There are 18 groups on the periodic table and there are 7 periods

Explanation:

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? Answer the question below. Type your response in the space provided. What volume of a 2.5 M stock solution of acetic acid (HC2
Novay_Z [31]
Data: 
M_{concentrated} = 2.5\:mol
V_{concentrated} = ?
M_{dilute} = 0.50\:mol
V_{dilute} = 100\:mL\to0.100\:L
<span>
Formula: Dilution Calculations

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

</span>
M_{concentrated} * V_{concentrated} = M_{dilute} * V_{dilute}
2.5 * V_{concentrated} = 0.50 * 0.100
2.5V_{concentrated} = 0.05
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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4 years ago
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