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3 years ago

What is the correct formula for combining Mg2+ and Br1+

Chemistry

1 answer:

True [87]3 years ago

6 0

Answer: The correct formula is $MgBr_2$

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here magnesium is having an oxidation state of +2 called as $Mg^{2+}$ cation and bromine $Br^{-}$ is an anion with oxidation state of -1. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral $MgBr_2$ .

The cations and anions being oppositely charged attract each other through strong coloumbic forces and form an ionic bond.

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jarptica [38.1K]

Answer:

1.a

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Explanation:

Distillation is a process whereby a mixture of liquids having different vapor pressures is separated into its components. At first one might think that this would be quite simple: if you have a solution consisting of liquid A that boils at 50°C and liquid B with a boiling point of 90°C, all that would be necessary would be to heat the mixture to some temperature between these two values; this would boil off all the A (whose vapor could then be condensed back into pure liquid A), leaving pure liquid B in the pot. But that overlooks that fact that these liquids will have substantial vapor pressures at all temperatures, not only at their boiling points.

source: https://chem.libretexts.org/Bookshelves/General_Chemistry/Book%3A_Chem1_(Lower)/08%3A_Solutions/8.09%3A_Distillation

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1 year ago

How would -174.2 be written in scientific notation?

Alika [10]

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3 years ago

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natima [27]

Answer:

Explanation:

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3 years ago

If Steve throws a football 57 meters in 3 seconds, what is the average speed of the football?

sattari [20]

Answer:

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Explanation:

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3 years ago

In a college of exactly 2760 students, exactly 65 % are male. What is the number of female students? Express your answer as an i

lina2011 [118]

Total number of students (male and female) in the college=2760. Total number of students including both male and female represents 100% (percentage) of students which is equal to 2760 number.

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3 years ago