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8090 [49]
3 years ago
12

ANSWER PLEASE! QUICLKY!

Chemistry
2 answers:
Ira Lisetskai [31]3 years ago
6 0
Do you know what mixture it is talking about?
juin [17]3 years ago
4 0

Answer:

too late now LOL but the answer is a

Explanation:

i dont wanna explain rn

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4 years ago
Calculate the molarity when 135 g of KCl is dissolved to make a 2.50 L solution. Round to two significant digits.
inysia [295]
<h2>0.72 mol/L</h2>

Explanation:

       \textrm{Molarity of a solution}=\frac{\textrm{Number of moles of solvent}}{\textrm{Volume of solution in Liters}}

       We are given a 2.50L solution which contains 135g of KCl.

       To calculate number of moles of KCl present, we need to find it's molar mass from charts. Molar Mass of KCl is known to be 74.55\frac{g}{Mol}.

       Number of moles of KCl present = \frac{\textrm{Given weight}}{\textrm{Molar Mass}}\textrm{ = }\frac{135g}{74.55\frac{g}{Mol}}\textrm{ = }1.81087mol

       Molarity = \frac{1.81087mol}{2.50L}=0.7243\frac{mol}{L}

∴ Molarity of given KCl solution = 0.72\frac{mol}{L}

7 0
3 years ago
How many moles of aluminum are produced from 4.9 moles of lithium?
Otrada [13]

Answer:

2.95078 × 10^23

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3 years ago
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Phosphorus chlorine
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Use the following periodic table to identify the letter(s) that match each of the statements below.
Greeley [361]

Answer:

l and t

Explanation:

because they are in group one

4 0
3 years ago
Read 2 more answers
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