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Helen [10]
2 years ago
14

How many molecules are present in this formula? 3H2 (SO)4

Chemistry
1 answer:
horsena [70]2 years ago
8 0
3 molecules because of the coefficient 3 on the very front
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The general equation for an acid base reaction looks lik:
pickupchik [31]

Answer

B. acid + base --> salt + water

Explanation

Acids are substances that dissolve in water to produce hydrogen ions, H+.A base is a substance that dissolves in water to produce hydroxide ions, OH-.In a chemical reaction of an acid and a base, the products are a salt and water.For example when hydrocholoric acid is added to sodium hydroxide, a salt namely sodium chloride is formed with additional water.


6 0
3 years ago
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Work=? time=5s Power = 40w
antiseptic1488 [7]

Answer:

200 J

Explanation:

Work = Power x time

Work = (40w)(5s)

Work = 200 J

5 0
2 years ago
Sulphur burnt in oxygen forms sulphur dioxide. Calculate the heat given out when 1.6g of sulphur is burnt.
adell [148]

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4 0
2 years ago
Define aqua regia short answer<br><br><br>boreeeeeee​
larisa [96]

Answer:

Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.

Explanation:

3 0
2 years ago
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What is the percentage of water in the following compound? answer using one decimal place. sodium carbonate decahydrate, na2co3
ehidna [41]

The percentage by mass of water in Na2CO3.10H2O from the calculation is  62.9%

<h3>What is percentage by mass?</h3>

The term percentage by mass refers to the amount of a particular moiety by mass in a molecule.

In this case, we know that the molar mass of Na2CO3.10H2O is 286 g/mol the molar mass of the 10 moles of water is 180 g/mol hence the percentage by mass of water in the compound is; 180 g/mol /286 g/mol  * 100/1 = 62.9%

Learn more about percentage by mass: brainly.com/question/16885872

#SPJ2

6 0
2 years ago
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