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Naddika [18.5K]
3 years ago
7

Refer to pic plssss

Chemistry
1 answer:
ira [324]3 years ago
4 0

Answer:

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If i have 8 L of 0.25 M solution, how many miles of MgCl2 are present
qaws [65]

Answer:

2 moles

Explanation:

The following were obtained from the question:

Molarity = 0.25 M

Volume = 8L

Mole =?

Molarity is simply defined as the mole of solute per unit litre of solution. It is represented mathematically as:

Molarity = mole of solute/Volume of solution.

With the above equation, we can easily find the number of mole of MgCl2 present in 8 L of 0.25 M MgCl2 solution as follow:

Molarity = mole of solute/Volume of solution.

0.25 = mole of MgCl2 /8

Cross multiply to express in linear form

Mole of MgCl2 = 0.25 x 8

Mole of MgCl2 = 2 moles

Therefore, 2 moles of MgCl2 are present in 8 L of 0.25 M MgCl2 solution

4 0
3 years ago
16.
mixas84 [53]

Answer:

Explanation:

When going from top to bottom in any group of the periodic table, the atomic radius always tends to increase

8 0
2 years ago
How many grams of CO2 are used when 7 g of oxygen are produced
lara [203]
308 grams of co2 is used
4 0
3 years ago
At night,plants take in the gas of​
IgorC [24]

Answer:

Oxygen.

Explanation:

They take in oxygen from the air. This is the process of respiration.

5 0
3 years ago
4,600,000,000,000 in scientific notation
BabaBlast [244]
4.6to the twelth power plus ten or something like that it has been a while since I have done the scientific notation but where ever you put in the number of zeros. is twelve
6 0
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