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ZanzabumX [31]
3 years ago
11

Why is Ca(OH)2 alkali?

Chemistry
1 answer:
Mashcka [7]3 years ago
4 0
Honestly I also have a question... Why is an elementary student learning high school level science. Back to the answer now; <span>An alkali is a basic hydroxide or </span>ionic salt of an alkali metal or alkaline earth metal element,<span> which is soluble in water. Hope this helped</span>
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Which organelle allows plants to make their own food?
Setler [38]

Answer:

chloroplast is the correct answer

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3 years ago
I don't know how to do this, pls help!
Aliun [14]
Cations from smallest to largest
Li⁺ ,Na⁺, K⁺ (from Periodic Table, the bigger number of period, the bigger size, of atom, so the bigger size of cation)

1) LiF smaller  cation then KF
1,036                                 <span>853
</span><span>The lattice energy increases as cations get smaller, as shown by LiF and KF.
</span><span>I think this one should be correct answer, because the compared substances have also the same anion, and we can compare cations in them.

2) The same cation Li , so wrong statement.

3)</span>The same cation Na , so wrong statement.

4) NaCl smaller cation then KF
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7 0
3 years ago
Read 2 more answers
The high electrical conductivity of metals is primarily due to
zubka84 [21]

High conductivity of metals is caused by electrons that are free to move through the lattice.

hope this helps!

7 0
3 years ago
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6 0
3 years ago
What is the concentration of h+ ions in a 2.20 m solution of hno3?
kvv77 [185]

The question is improperly formatted.

What is the concentration of H+ ions in a 2.2 M solution of HNO3.

Answer:-

2.2 moles of H+ per litre

Explanation:-

M stands for molarity. 2.2 M means 2.2 moles of HNO3 is present per litre of the solution.

Now HNO3 has just 1 H in it's formula. HNO3 would give H+. So 2.2 moles of HNO3 would mean 2.2 moles of H+ per litre.

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