Write the empirical formula for at least four ionic compounds that could be formed from the following ions:MnO4- , BrO3- , Fe2+ , Pb4+

Answers

Answer 1
Answer: HMnO₄ ; KMnO₄ ;  NaMnO₄; LiMnO₄
HBrO₃ ; KBrO₃ ; NaBrO₃ ; LiBrO₃
FeO ; FeCl₂ ; FeS ; FeSO₄
PbO₂ ; PbS₂ ; Pb(SO₄)₂ ; Pb(CO₃)₂
Answer 2
Answer:

Final answer:

The empirical formulas for four ionic compounds given the ions MnO4-, BrO3-, Fe2+, and Pb4+ are Fe(MnO4)2 for Iron(II) permanganate, Pb(BrO3)4 for Lead(IV) bromate, Fe(BrO3)2 for Iron(II) bromate, and Pb(MnO4)4 for Lead(IV) permanganate.

Explanation:

The task is to write the empirical formula for ionic compounds that could be formed from specific ions. For the ions provided (MnO4−, BrO3−, Fe2+, Pb4+), we would pair each anion with a cation to neutralize the charge and create a stable ionic compound. Here are the empirical formulas for four possible ionic compounds:

  • Fe(MnO4)2: Iron(II) permanganate
  • Pb(BrO3)4: Lead(IV) bromate
  • Fe(BrO3)2: Iron(II) bromate
  • Pb(MnO4)4: Lead(IV) permanganate

Each formula is created by balancing the charges of the cations and anions to ensure that the overall charge of the compound is zero.


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El hielo es una mezcla, elemento o compuesto?

Answers

No, el hielo no es ni elemento o mezla. El hielo es un compuesto, hecho de los elementos H y O
el hielo es in elemento

How many grams of aluminum chloride are needed to react completely with 1.084g lithium sulfide?

Answers

Molar mass :

Li₂S = 45.947 g/mol

AlCl
₃ = 133.34 g/mol

3 LiS + 2 AlCl = 6 LiCl + Al₂S₃

3 * 45.947 g Li₂S ----------> 2 * 133.34 g AlCl
1.084 g Li₂S ----------------> ?

Mass Li₂S = 1.084 * 2 * 133.34 / 3 * 45.947

Mass Li₂S = 289.08112 / 137.841

Mass Li₂S = 2.0972 g 

hope this helps!

How the moon surface is visible to an observer on earth

Answers

The moon surface isvisible to an observer on earth due to the gravitational force that attracts themoon to the earth. The more massive the body is, the more the smaller body isattracted to the larger body. We can only see the side of the moon due to thespeed at which the moon rotates.

Determine the percent composition of chlorine (Cl) in sodium chloride (NaCl). .

Answers

Answer:

\% Cl=61.65\%

Explanation:

Hello,

In this case, chlorine's percent composition is given by the shown below formula:

\% Cl=(n_(Cl)m_(Cl))/(M_(NaCl))*100\%

Whereas n_(Cl) accounts for the number of chlorine atoms into the NaCl, m_(Cl) for chlorine's atomic mass and M_(NaCl) for sodium chloride's molar mass, therefore, the percent composition of chlorine turns out:

\% Cl=(1*35.45)/(58.45)*100\%=61.65\%

Best regards.

It's (grams-of-Cl/total-grams)(100), so (35.45g/58.44g)(100) = 60.66% Cl. Hope this helps!

The combustion of a sample butane, C4H10 (lighter fluid) produced 2.46 grams of water. how much oxygen was used up in grams

Answers

The balanced combustion reaction for butane is;

2C4H10 + 13O2 → 8CO2 + 10H2O

Molar mass of water = 18.02 g/mol

Molar mass of oxygen = 32 g/mol

 

2.46g H2O(1 mol H2O/18.02g)(13 mol O2/10 mol H2O)(32g O2/1 mol O2) = 5.68g O2

When stressed, mica breaks into thin sheets. This describes mica's _____. luster color streak cleavage

Answers

Answer : The correct option is, Cleavage.

Explanation :

Mica : It is silicate mineral and also known as sheet silicate because they form in different layers.

Cleavage : It is a type of mineral properties. It describes how a crystal breaks when stress apply to the crystal and breaks into a particular plane.

If the mica breaks due to stress and breaks into thin sheet, that means the mineral has cleavage.

Therefore, the correct answer is, Cleavage.


Answer:

Cleavage

Explanation: