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Zanzabum
3 years ago
7

2.15 mol of hydrogen sulfide, H2S

Chemistry
1 answer:
ivolga24 [154]3 years ago
8 0
Equation below, how many moles of hydrogen sulfide (H2S) are produced? HCl + Na2S → H2S + 2 NaCl. A) 1 mol. B) 1.25 mol. (C) 2.5 mol.
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List three things that rely on the Sun as the major source of energy​
valkas [14]

Answer:

Three things that rely on the sun for energy is coal,oil, and natural gases

Explanation:

We use engery too cook our food that's an example of how gases are used.

We run our cars .Cars use oil.

And we use electricity for lights. You need coal for the electricity

6 0
2 years ago
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The below given compound is slightly soluble in water.
nordsb [41]

Answer:

an alkali

Explanation:

an alkali is a base that is slightly soluble in water

4 0
2 years ago
Tell me what acid-base properties can determine if a household chemical is an acid, base, or neutral substance.
vladimir2022 [97]

Explanation:

  1. Tasting; acid is sour to the tongue while bases taste bitter
  2. Litmus test; acid turn blue litmus red while bases turn red litmus blue
  3. Texture; acids are usually sticky while bases are soapy and slippery
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3 0
3 years ago
How many valence electrons does rubidiumn have?
vlada-n [284]

Answer:

1

Explanation:

I believe it really only has 1 valence electrons

7 0
2 years ago
The sucrose molecule is a large and complex molecule built of carbon, hydrogen, and oxygen. How many sucrose
jek_recluse [69]

Answer:

There are 3.01x10²³ molecules of sucrose

Explanation:

In order to calculate the number of molecules of any atom or compound, we need to use the Avogadro number which is 6.02x10²³. This number could represent atoms or molecules of any mole of compound or atom.

In other words, 1 mole of a certain atom or compound has 6.02x10²³ molecules or atoms.

we have 0.5 moles of sucrose, all we just need to do is a simple rule of 3:

If 1 mole contains 6.02x10²³ molecules

then 0.5 moles will contain:

n° molecules = 0.5 * 6.02x10²³ / 1

<h2>n° molecules = 3.01x10²³ molecules of sucrose</h2>

Hope this helps

6 0
2 years ago
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