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AfilCa [17]
3 years ago
11

A student needed to dissolve a substance that she knew was soluble in water. according to the chart, which other solvent would m

ost likely dissolve the substance?

Chemistry
1 answer:
Dmitry [639]3 years ago
8 0
The chart is attached below and the options are as follow,

A Benzene

B Methanol

C Hexane

D Octane

Answer:
             Option-B (Methanol) is the correct answer.

Explanation:
                    As we know that the substance given to student is soluble in water. Therefore, those substances which are soluble in water are polar in nature because water is polar in nature and Like Dissolves Like.
                    Hence, in chart it can easily be seen that Methanol is also polar in nature due to presence of -O-H (polar) bond. So, the substance will dissolve in it.

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What element is commonly used to reduce iron oxide?
kolezko [41]

Answer:

The element that is commonly used to reduce iron oxide would be <u>carbon.</u>

Explanation:

:)

3 0
2 years ago
Is a metalloid malleable or brittle
bekas [8.4K]
Silicon for example appears lustrous, but is not malleable<span> or ductile (it is </span>brittle<span> - a characteristic of some nonmetals).</span>
3 0
3 years ago
Which bonds are formed when elements share electrons and form molecules?.
Nimfa-mama [501]

Answer:

A covalent bond

Explanation:

the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.

6 0
2 years ago
What is the mass of sodium (Na) in 50 grams of table salt (NaCl)? Show your work.
Anvisha [2.4K]

Answer:

19 g

Explanation:

Data Given:

Sodium Chloride (table salt) = 50 g

Amount of sodium (Na) = ?

Solution:

Molecular weight calculation:

NaCl = 23 + 35.5

NaCl = 58.5 g/mol

Mass contributed by Sodium = 23 g

calculate the mole percent composition of sodium (Na) in sodium Chloride.

Since the percentage of compound is 100

So,

                 Percent composition of sodium (Na) = 23 / 58.5 x 100

                  Percent of sodium (Na) = 39.3 %

It means that for ever gram of sodium chloride there is 0.393 g of Na is present.

So,

for the 50 grams of table salt (NaCl) the mass of Na will be

              mass of sodium (Na) = 0.393 x 50 g

              mass of sodium (Na) = 19 g

6 0
4 years ago
Identify the reactants and products and write chemical equations for each of the following reactions: a. Gaseous chlorine reacts
Aneli [31]

Answer:

a. Cl (g) + KBr (aq) = Br (l) + KCl (aq)

b. Al (s) + I (s) = AlI (s)

c. Mg (s) + HCl (aq) = MgCl (aq) + H2 (g)

Explanation:

The reactants are the elements before the equals sign and the products are the ones after the equals sign that are bolded.

Hope this helps :)

6 0
3 years ago
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