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zheka24 [161]
3 years ago
10

If you are administering an oral acetaminophen dose of 400. mg from a bottle at a concentration of 32.0 mg/mL , how many millili

ters of the solution do you need to give the patient?
Chemistry
1 answer:
NISA [10]3 years ago
8 0

hey there!:

dose of acetaminophen = 400.

concentration = 32.0 mg/mL

Therefore:

Volume =   dose / concentration

Volume = 400. / 32.0

Volume = 12.5 mL


Hope that helps!

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How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1m/s
NISA [10]
One meter per second
We have five meters
It's one meter per one second.
Five times one.
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Unless by "m" you mean miles, in which I don't know.
8 0
3 years ago
Suppose of ammonium nitrate is dissolved in of a aqueous solution of sodium chromate. Calculate the final molarity of ammonium c
Marta_Voda [28]

Answer:

Final molarity of ammonium cation in the solution = 0.16 M

Explanation:

Complete Question

Suppose 2.59 g of ammonium nitrate is dissolved in 200. mL of a 0.40M aqueous solution of sodium chromate. Calculate the final molarity of ammonium cation in the solution. You can assume the volume of the solution doesn't change when the ammonium nitrate is dissolved in it. Be sure your answer has the correct number of significant digits.

Solution

2NH₄NO₃ + Na₂CrO₄ → (NH₄)₂CrO₄ + 2NaNO₃

We first convert the given parameters to number of moles

Number of moles = (Mass/Molar mass)

Molar mass of NH₄NO₃ = 80.043 g/mol

Number of moles of NH₄NO₃ = (2.59/80.043) = 0.03224 mole

Number of moles = (Concentration in mol/L) × (Volume in L)

Number of moles of Na₂CrO₄ = 0.4 × 0.2 = 0.08 Mole

2 moles of NH₄NO₃ react with 1 mole of Na₂CrO₄

So, it it evident that NH₄NO₃ is the limiting reagent as it is in short supply in the amount needed for the reaction.

So, the number of moles of ammonium ion in the product is also 0.03224 mole.

Molarity = (Number of moles)/(Volume L)

Molarity of ammonium ion = (0.03224/0.2) = 0.1612 mol/L = 0.16 M

Hope this Helps!!!

3 0
2 years ago
Select the correct answer.
sladkih [1.3K]
C not sure 100 percent but my best guess
7 0
3 years ago
The sidewalk outside is covered in ice what kind of shoes should i wear to walk on the ice explane
babunello [35]

Answer:

Well you should wear boots.

Explanation:

Boots because most winterized boots have tread on the bottom, allowing you to grip  the ice better.  They will help prevent you from slipping , and are even good for walking up slippery hills.

4 0
2 years ago
the mass of a single potassium atom is 6.50×10-23 grams. How many potassium atoms would there be in 114 milligrams of potassium?
Nataly [62]

Answer:LOL

42

Explanation:

8 0
2 years ago
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