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malfutka [58]
2 years ago
7

One of the few resources on Mars is

Chemistry
1 answer:
rjkz [21]2 years ago
5 0

Answer:

iron .. titanium.. nickel....aluminum... sulfur... and calcium

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How much of a 0.250 M lithium hydroxide is required to neutralize 20.0 mL of 0.345M chlorous acid?
Bumek [7]

Answer:

27.6mL of LiOH 0.250M

Explanation:

The reaction of lithium hydroxide (LiOH) with chlorous acid (HClO₂) is:

LiOH + HClO₂ → LiClO₂ + H₂O

<em>That means, 1 mole of hydroxide reacts per mole of acid</em>

Moles of  20.0 mL = 0.0200L of 0.345M chlorous acid are:

0.0200L ₓ (0.345mol / L) = <em>6.90x10⁻³ moles of HClO₂</em>

To neutralize this acid, you need to add the same number of moles of LiOH, that is 6.90x10⁻³ moles. As the LiOH contains 0.250 moles / L:

6.90x10⁻³ moles ₓ (1L / 0.250mol) = 0.0276L of LiOH =

<h3>27.6mL of LiOH 0.250M</h3>
6 0
3 years ago
the atomic number is the number of protons, but in a neutral atom it is also the number of _____. A. none of these B. electrons
aksik [14]

Answer:

Electrons

hope it helps

6 0
3 years ago
What is the atomic model that was found after Bohr’s model and how is it better ?
Lyrx [107]
Schrödinger found the quantum mechanical model of the atom after Bohr’s model.
It is better than Bohr’s model because you can use mathematical equations to find electrons certain position. Unlike Bohr’s which is just a “cloud” where the an electron could possibly be.
8 0
3 years ago
Helpp plsss
shtirl [24]

Answer:

kinetic

Explanation:

kinetic energy is the energy possessed by a body due to its motion.

3 0
3 years ago
Read 2 more answers
The smallest unit of a compound is called a(n) ___________.
posledela
It would be an atom. Hope this helps! :)
8 0
3 years ago
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