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3 years ago

8

The reaction described in Part A required 3.54 L of magnesium chloride. What is the concentration of this magnesium chloride sol

ution?

1 answer:

labwork [276]3 years ago

7 0

we need the cholride solution Part B to answer your question

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What is the hydrogen ion concentration of 0.450M solution of acetic acid (HC2H3O2), if the ionization constant(Ka) is 2.19 x 10-

WITCHER [35]

Answer:

3.02 Mm

Explanation:

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3 years ago

What is the mass of solute dissolved in 50,0 g of 12.5% saline solution? A) 7.148 B) 6.258 C) 43.88 D) 4.00 g

Marizza181 [45]

Answer:

6.25 grams is the mass of solute dissolved.

Explanation:

w/w % : The percentage mass or fraction of mass of the of solute present in total mass of the solution.

$w/w\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

Mass of the solution = 50.0 g

Mass of the solvent = x

w/w % = 12.5%

$12.5\%=\frac{x}{50.0 g}\times 100$

x = 6.25 g

6.25 grams is the mass of solute dissolved.

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3 years ago

Do you guys know any cool app for revision apart from quiz let

hammer [34]

Kahoot, there are some pretty great reviews on there but you may need to do some searching

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3 years ago

Write a balanced equation for the reaction between nitric acid and lithium carbonate .

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Li2CO3 + 2HNO3 ----> 2LiNO3 + H2O + CO2

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3 years ago

Which atom would be expected to have a half-filled 6s subshell

eduard

Answer: I think the answer is Cesium (Cs)

Explanation:

A half-filled 6s subshell would be 6s^1

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3 years ago