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ASHA 777 [7]
3 years ago
9

Which is a way to Express concentration of solution.?​

Chemistry
2 answers:
Papessa [141]3 years ago
6 0

Answer:

The concentration of a solution can be expressed in terms of:

molality (m)=moles solute/kilogram solvent

Nataliya [291]3 years ago
5 0

Answer: concentration of solutions are expressed in various ways mol/L, mol/dm3, g/L etc

Explanation:

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The dimensions of a cupboard are 1.31 m wide
Mnenie [13.5K]

Answer:

The volume of cupboard is 2.0043 m³.

Explanation:

Given data:

width of cupboard = 1.31 m

length of cupboard = 0.9 m

height of cupboard = 1.70 m

Volume = ?

Solution:

Volume = length × width × height

Volume = 0.9 m × 1.31 m × 1.70 m

Volume = 2.0043 m³

The volume of cupboard is 2.0043 m³.

4 0
3 years ago
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Which two practices are examples of how people use science?
Anika [276]

B. Developing theories using many lines of evidence

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You made hypochlorous acid (HOCI) by mixing bleach (NaOCI) with:
Annette [7]

<u>Answer:</u> When bleach is mixed with water, it produces hypochlorous acid.

<u>Explanation:</u>

The chemical name for bleach is sodium hypochlorite. When this compound is reacted with water, it produces hypochlorous acid and sodium hydroxide.

The chemical equation for the reaction of sodium hypochlorite and water follows:

NaOCl+H_2O\rightarrow HOCl+NaOH

By Stoichiometry of the reaction:

1 mole of sodium hypochlorite reacts with 1 mole of water to produce 1 mole of hypochlorous acid and 1 mole of sodium hydroxide.

Hence, when bleach is mixed with water, it produces hypochlorous acid.

6 0
3 years ago
Which of these is a compound? <br> carbon dioxide<br><br> potassium<br><br> salt water<br><br> salad
Snowcat [4.5K]
Pretty sure it’s potassium
5 0
3 years ago
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How electron infinity depends upon nuclear force of attraction​
almond37 [142]

Answer:

There are two factors that can affect electron affinity. These are atomic size and nuclear charge. ... The smaller the atom is, the closer the outermost shell is; therefore, it is a stronger attraction between the nucleus and the incoming electron. That means the electron affinity is higher for smaller atoms.

Explanation:

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