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taurus [48]
3 years ago
6

Earth has several ideal features which enable it to support life. MOST important is the

Chemistry
2 answers:
MakcuM [25]3 years ago
7 0
I think the most important is D
Svetllana [295]3 years ago
6 0
Earth Has Several Ideal Features which enable it to support Life. (MOST) Important is the

Answer:D.) Existence and amount of water on Earth's Surface.

Explaining:All of the Answer's choices help Earth, in some way, to Support life.But Most important is the Existence and amount of the water on earth surface             
                                          Good Luck...... *-*



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What is the most specific classification of Ca(NO3)2
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"Compound" is the one among the following choices given in the question that is the <span>most specific classification of Ca(NO3)2. The correct option among all the options that are given in the question is the second option. It is actually an inorganic compound. I hope that this is the answer that has come to your help.</span>
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3 years ago
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A 0.288 g sample of an unknown monoprotic acid is dissolved in water and titrated with a 0.115 M NaOH solution. After the additi
Sholpan [36]

Answer:

74.0 g/mol

Explanation:

Step 1: Write the generic neutralization reaction

HA + NaOH ⇒ NaA + H₂O

Step 2: Calculate the reacting moles of NaOH

At the equivalence point, 33.83 mL of 0.115 M NaOH react.

0.03383 L × 0.115 mol/L = 3.89 × 10⁻³ mol

Step 3: Calculate the moles of HA that completely react with 3.89 × 10⁻³ moles of NaOH

The molar ratio of HA to NaOH is 1:1. The reacting moles of HA is 1/1 × 3.89 × 10⁻³ mol = 3.89 × 10⁻³ mol.

Step 4: Calculate the molar mass of the acid

3.89 × 10⁻³ moles of HA have a mass of 0.288 g.

M = 0.288 g / 3.89 × 10⁻³ mol = 74.0 g/mol

4 0
3 years ago
Which of the following lists the correct symbol for the ion that tin forms when it loses 2 electrons, the correct classification
ser-zykov [4K]

Answer:

\huge\boxed{\sf Option \ A}

Explanation:

The symbol for TIN is Sn.

When Sn loses 2 electrons, it gets a double positive charge ( +2 ) and becomes \sf Sn ^{+2}.

It becomes a cation.

The name of Ion is Tin ( II ) Ion.

\rule[225]{225}{2}

Hope this helped!

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Can you put this in english

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Calculate the percentage of all elements in Fel(OH)3
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Answer: 30.06% is your answer.

I hope this helps.

Stay safe and have a good day :D

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