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serious [3.7K]
3 years ago
6

Which compound is an Arrhenius base?(1) CH3OH (3) LiOH (2) CO2 (4) NO2

Chemistry
2 answers:
nydimaria [60]3 years ago
7 0
Lithium Hydroxide (LiOH) is an Arrhenius base
gregori [183]3 years ago
5 0
♥ (LiOH)
♥ (Lithium Hydroxide) 
Is a Arrhenius base. <span />
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When 35.0 mL of 0.400 M hydrobromic acid and 35.0 mL of 0.400 M ammonia are combined, the pH of the resulting solution will be :
Kay [80]

Answer:

B. Equal to 7.

Explanation:

Hydrobromic acid is a strong acid that decreases pH and ammonia is a strong base that increases pH.

As the initial pH of water is 7,0 the addition of 35.0mL of 0.400M HBr will produce a pH less than 7,0. But, the same effect of decreasing pH is reverted for the addition of 35.0mL of 0.400M HNO3.

That means the net effect of the two addition is to have a pH:

B. Equal to 7.

I hope it helps!

3 0
2 years ago
How many grams are in 5.2 moles of Li2SO4
skelet666 [1.2K]

Answer:

572 g

Explanation:

Molar mass is the mass of 1 mol of an element or compound

molar mass of Li₂SO₄ is the sum of the products of the molar masses of the elements by the number of atoms in the compound

molar masses of each element making up lithium sulphate

Li - 7 g/mol

S - 32 g/mol

O - 16 g/mol

molar mass of Li₂SO₄ - (7 g/mol x 2) + ( 32 g/mol x 1) + ( 16 g/mol x 4 )

molar mass = 110 g/mol

mass of 1 mol of Li₂SO₄ is 110 g

therefore mass of 5.2 mol of Li₂SO₄ is - 110 g/mol x 5.2 mol = 572 g

mass is 572 g

7 0
3 years ago
Magnesium sulfate can be made by reacting magnesium metal with an acid . A gas is also produced . Name this gas
jekas [21]

Answer:

the answer to your question is

Explanation:

hydorgen

Mg+ H2SO4 --------> MgSO4 + H2

8 0
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Are the particles in a solid in constant motion, or are they "frozen in place?"
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The molecules are frozen in place but still vibrate
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The correct answer is —-C
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