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3 years ago

A solution has a concentration of 0.8 M and contains 15 g AgBrO3. What is the volume of the solution

Chemistry

1 answer:

topjm [15]3 years ago

3 0

Answer:

Solution Concentration: Molarity Moles of solute in one liter of solution Used because it describes how many molecules of solute are in each liter of solution Tro: Chemistry: A Molecular Approach, 2/e 6 amount of solute (in moles) Molarity, M = amount of solution (in L) moles of solute M = L of solution or simply 4

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An intravenous infusion is to contain 15 mEq of potassium ion and 20 mEq of sodium ion in 500 mL of 5% dextrose injection. Using

Studentka2010 [4]

Answer:

To supply the required ions it is necessary to inject 5,6mL of 6g/30mL solution and 131,1 mL of 0,9% solution.

Explanation:

1mEq of sodium are 59mg of NaCl and 1mEq of potassium are 75mg KCl

in intravenous infusion 15 mEq of K are:

15x75mg KCl = 1,125g of KCl

And 20 mEq of Na are:

20x59mg NaCl = 1,18g of NaCl

To supply the potassium ion it is necessary to inject:

1,125g of KCl× $\frac{30mL}{6g}$ = 5,6mL of 6g/30mL solution

And, to supply the sodium ion it is necessary to inject:

1,18g of NaCl× $\frac{100mL}{0,9g}$ = 131,1 mL of 0,9% solution

I hope it helps!

6 0

3 years ago

A student takes a sample of KOH solution and dilutes it with 100.00 mL of water. The student determines that the diluted solutio

Firlakuza [10]

Answer:

2.2mL

Explanation:

First, let us analyse what was given from the question:

C1 = 2.09M

V1 =?

C2 = 0.046M

V2 =100mL

Using dilution formula (C1V1 = C2V2), we can calculate the volume of the original solution as follows:

C1V1 = C2V2

2.09 x V1 = 0.046 x 100

Divide both side by the coefficient of V1 ie 2.09, we have:

V1 = (0.046 x 100) / 2.09

V1 = 2.2mL

8 0

3 years ago

Which coefficients will balance the following reaction:

valentina_108 [34]

Answer:

C ) 2, 1, 2

Explanation:

The given reaction is synthesis reaction in which lithium and bromine react to form lithium bromide.

Chemical equation:

Li + Br₂ → LiBr

Balanced chemical equation:

2Li + Br₂ → 2LiBr

Step 1:

Li + Br₂ → LiBr

left hand side Right hand side

Li = 1 Li = 1

Br = 2 Br = 1

Step 2:

Li + Br₂ → 2LiBr

left hand side Right hand side

Li = 1 Li = 2

Br = 2 Br = 2

Step 3:

2Li + Br₂ → 2LiBr

left hand side Right hand side

Li = 2 Li = 2

Br = 2 Br = 2

3 0

3 years ago

Which of the following is an example of electrical energy being converted to chemical energy?

marishachu [46]

The correct answer is option D, that is, a storage battery is charged using an electric current.

The transformation of one form of energy into another, generally to transform the energy into more useful kind is known as energy conversion. The energy can neither be created nor be destroyed, it can only be transformed. The different forms of energy comprise light, heat, mechanical, electrical, sound, nuclear, and sound.

In the given question, the charging of a storage battery using electric current is an example of electrical energy being converted into chemical energy.

5 0

3 years ago

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What information does a balanced equation provide?

MakcuM [25]

Answer:

It has to have a problem base and a realistic explanation.

Explanation:

It needs to have enough information for you to be able to come up with an answer and realistic explanation.

Hope I helped :)

6 0

3 years ago

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