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Semmy [17]
3 years ago
5

The symbol for the hydroxide ion is _____. H + H 3O - H(OH) OH -

Chemistry
2 answers:
erastova [34]3 years ago
8 0
Your answer is D, OH-.
Nutka1998 [239]3 years ago
4 0
Your answer is D OH-
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6) A student measures out 96.21 g of sulfur for an experiment. How many moles of Sulfur are in this
barxatty [35]

Atomic mass of Sulfur = 32g

32g of Sulfur is one mole.

1g of Sulfur is \frac{1}{32} moles

96.21g of Sulfur is \frac{96.21}{32} moles=> 3moles(appx)

5 0
3 years ago
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Which of the following elements is a metalloid?
Deffense [45]
The answer to your question would be silicon. I hope this helped!!!
4 0
3 years ago
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One of the first steps toward currently accepted theories of our Solar System's formation and evolution was the general acceptan
iragen [17]

The first blank can be filled with the Heliocentric model, and the second blank can be filled with Copernicus.  

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6 0
3 years ago
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When 4.50 L of hydrogen gas react with an excess of nitrogen gas at standard temperature and pressure, how many liters of ammoni
VARVARA [1.3K]

Answer:

           3.0 L of NH₃

Solution:

The equation is as follow,

                                    N₂  +  3 H₂     →       2 NH₃

According to equation,

          67.2 L (3 mole) H₂ at STP produces  =  44.8 L (3 mole) of NH₃

So,

                            4.50 L of H₂ will produce  =  X L of NH₃

Solving for X,

                     X  =  (4.50 L × 44.8 L) ÷ 67.2 L

                     X  =  3.0 L of NH₃

5 0
3 years ago
How many moles are in 158 grams of LiCl
Usimov [2.4K]

Answer:

Number of moles = 3.73 mol

Explanation:

Given data:

Mass of LiCl = 158 g

Number of moles = ?

Solution:

Formula:

Number of moles = mass/ molar mass

Molar mass of LiCl = 42.4 g/mol

Number of moles =  158 g / 42.4 g/mol

Number of moles = 3.73 mol

7 0
3 years ago
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