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Step2247 [10]
2 years ago
12

if you administering an oral acetaminophen dose of 320.mg from a bottle of 32.0 mg/ ml, how many mililitters of the solution do

you need
Chemistry
1 answer:
Yuri [45]2 years ago
7 0
10 milliliters are needed
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Sodium chloride or table salt is a compound formed when sodium loses its valence electron to chlorine. Which type of bond format
avanturin [10]

When Sodium chloride or table salt is a compound formed when sodium loses its valence electron to chlorine, the type of bond formation that takes place in sodium chloride is the Lewis Bond.

8 0
2 years ago
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a. Calculate the pH of a solution that has [H3O+]= 4.3 x 10-5 M. b. Is the solution acidic or basic? How do you know?
Luda [366]

Answer:

* pH=4.37

* The solution is acidic since the pH is below 7.

Explanation:

Hello,

In this case, we can mathematically define the pH by:

pH=-log([H_3O^+])

Thus, for the given hydronium concentration we simply compute the pH:

pH=-log(4.3x10^{-5})=4.37

Thereby, we conclude the solution is acidic due to the fact that the pH is below 7 which is the neutral point and above it the solutions are basic.

Regards.

3 0
2 years ago
5. A penny weighs about 2.5 g. How many moles of pennies would be required to equal the mass of the moon (7.3x10^24 kg)
schepotkina [342]

5. 1.16 x 10^{26} moles  moles of pennies would be required to equal the mass of the moon.

6. 12.86 moles of ethanol are in a 750 ml bottle of vodka.

Explanation:

5 .Data given:

mass of penny = 2.5 grams

atomic mass of penny = 62.93 grams/mole

moles present in mass of the moon given as = 7.3 x 10^{24} kg

number of moles = \frac{mass}{atomic mass of  1 mole}

number of moles = \frac{2.5}{62.93}

0.039 moles of penny is present in 2.5 grams

0.039 moles of penny in 2.5 grams of it

so, x moles in 7.3 X 10^{27}  grams

\frac{0.039}{2.5} =\frac{x}{7.3 X 10^{27} }

x = 1.16 x 10^{26} moles

so when the mass of the penny given is equal to the mass of moon, number of moles of penny present is 1.1 x 10^{26} .

6.

Given:

vodka = 40% ethanol

volume of vodka bottle = 750 ml

moles of ethanol =?

density of ethanol =0.79 g/ml

atomic mass of ethanol = 46.07 grams/mole

so, from the density of ethanol given we can calculate how much ethanol is present in the solution.

density = \frac{mass}{volume}

density x volume = mass

0.79 x 750 = 592.5 grams

number of moles = \frac{mass}{atomic mass of 1 mole}

number of moles of ethanol = \frac{592.5}{46.07}

                                               = 12.86 moles of ethanol

6 0
2 years ago
Plants produce a variety of substances:food,flavoring,drugs,poisons.this is a result of
tatuchka [14]

Answer:

Synthesis

Explanation:

They synthesize these chemicals

7 0
3 years ago
Which of the following is true for balancing equations? A. The number of products should be equal to the number of reactants. B.
AlexFokin [52]

D.) There must be an equal number of atoms of each element on both sides of the equation

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