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Setler79 [48]
2 years ago
9

How many moles of nacl are needed to make 5.2l of a 2m solution

Chemistry
1 answer:
son4ous [18]2 years ago
7 0

Answer:

10.4 moles

Explanation:

    n / 5.2   =   2  M

     n = 10.4  moles

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this element has an atomic number lower than that of aluminum and one less valence electrons then the Group 16 elements
ahrayia [7]
This element is nitrogen (N)
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3 years ago
The ionic compounds NaClNaCl and MgSMgS are represented by the diagrams above. Which statement correctly identifies diagram 1 an
Oksana_A [137]

Answer:check explanation

Explanation:

No diagram is given above but to determine the value of melting point we need to understand the fact that NaCl has a lower melting point than MgS.

Reasons are; (1) sodium ion (+1) in the first group of the periodic table is characterized by its softness and low melting point and, (2). Is that it has a lower melting point than MgS because the COULUMBIC ATTRACTIONS between its singly charged sodium ions(+1) and the chlorine ions(-1) are weaker than those between the ions in MgS.

7 0
3 years ago
In a chemical reaction
SSSSS [86.1K]

Answer:

A) The atoms of the reactants unbond, rearrange and then rebond to form the products

Explanation:

Using method of elimination:

A) The atoms of the reactants unbond, rearrange and then rebond to form the products

This is the correct option. Chemical reactions involves breaking and forming of new bonds.

B) Some atoms disappear while others multiply to form the products

This option is incorrect. Atoms do not disappear

C) The atoms of the reactants always stay together to form the products

This option is incorrect. The bonds between the atoms in the reactants must first be broken before products can be formed.

D) New atoms are formed which combine to make the products

This option is incorrect. Atoms do not just form out of nowhere.

3 0
3 years ago
How many moles are in 56.4 grams of AlF3
Dimas [21]

Answer: 0.671614483912211

Explanation: A mole is 6.02214076×1023 (also known as the Avogadro number) I hope this helps!

8 0
3 years ago
PLZ HELP
nordsb [41]

Answer:

c fresh water

Explanation:

The ice caps are fresh water because the water can freeze, or become snow and fall down, but it is not cold enough for the salt water to freeze, or to form snow. Therefore there is little to no salt content in ice caps.

4 0
3 years ago
Read 2 more answers
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