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alexandr1967 [171]
3 years ago
5

The following molecular equation represents the reaction that occurs when aqueous solutions of silver(I) nitrate and chromium(II

I) bromide are combined. 3AgNO3 (aq) + CrBr3 (aq) --> 3AgBr (s) + Cr(NO3)3 (aq) Write the balanced net ionic equation for the reaction.
Chemistry
1 answer:
Anit [1.1K]3 years ago
7 0

Answer:

3Ag^+_{(aq)}+3Br^{-}_{(aq)}\rightarrow 3AgBr_{(s)}

Explanation:

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

Net ionic equation : In the net ionic equations, we are not include the spectator ions in the equations.

Only the species which are present in aqueous state dissociate.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The balanced molecular equation will be,

3AgNO_3_{(aq)}+CrBr_3_{(aq)}\rightarrow 3AgBr_{(s)}+Cr(NO_3)_3_{(aq)}

The complete ionic equation in separated aqueous solution will be,

3Ag^+_{(aq)}+3NO_3^-_{(aq)}+Cr^{3+}_{(aq)}+3Br^{-}_{(aq)}\rightarrow 3AgBr_{(s)}+3NO_3^-_{(aq)}+Cr^{3+}_{(aq)}

In this equation the species present are, Cr^{3+}\text{ and }3NO_3^- are the spectator ions.

Hence, the net ionic equation contains specie is  

3Ag^+_{(aq)}+3Br^{-}_{(aq)}\rightarrow 3AgBr_{(s)}

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sergejj [24]

Answer:

The mass of the product is 73,06 g

Explanation:

The reaction to form water is:

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35 g     65 g

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Molar mass O2 = 32g/m ---> I have 2,03 moles (65g / 32g/m)

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2,03 moles of O2 __ reacts with  (2,03 m . 2 m) / 1 m = 4,06 m

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<u><em>"All operations are done with the limiting reagent"</em></u>

1 mol O2 are required____ to form 2 H2O

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8 0
3 years ago
Some hormones enter cells via
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I’m not sure if this is what you’re looking for but this is correct. Next time please add the full question and possible answers. HOPE this helps someone please leave thanks if so.
5 0
3 years ago
How many moles of mgs2o3 are in 193 g of the compound?
Mashutka [201]

Answer:

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Solution:

Data Given:

                 Mass of MgS₂O₃  =  193 g

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Formula Used:

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Putting values,

                            Moles  =  193 g ÷ 136.43 g.mol⁻¹

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8 0
3 years ago
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Answer:

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77julia77 [94]

Answer:

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4 0
3 years ago
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