Answer:
10% w/w = 10g/ 100g = x /3400g
x = amount of drug in 3400 g
or i would just say 10% of 3400 = 340 g of zinc oxide is needed to be 10% strength
now how much do you have to add of zinc oxide to get 15% strength??
so you will end up with 340g of original PLUS x amount of new zinc oxide = the total drug you will use.
so (340 + x)
and to find percentage of drug over entire medication ... you would say (340 + x) over (3400 + x)
and (3400 + x) = total medication with the additional zinc oxide you will want to add.
finally: total drug/ total medication(Rx) = the new percentage strength
sooo --> you wanted 15% to be the zinc oxide (drug)
(340 + x) / (3400 + x) = 15% drug
or better yet: (340 + x) / (3400 + x) = 15g/ 100g
since 15% is 15 out of 100
so CROSS MULTIPLY
and solve for x:
(340 + x) * 100 = (3400 + x) * 15
34000 + 100 x = 51000 + 15 x--> 85 x = 17000
x = 200 so 200 grams of zinc oxide must be added to the original to get your 15% of drug strength.
Explanation:
Answer:
A nonkeratinized stratified squamous epithelium is found at three prominent sites in the animal body: lining the esophagus, lining the sides and floor of the oral cavity
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<u><em>I would love to help that's what I'm here for but you also did not list the following statements but I will try my best to help by telling you some things about alcohol you also can comment below so I can help more.</em></u></h3><h3>
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- <u><em>alcohol has killed more than any drug</em></u>
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- <u><em>drinking makes people unhappy</em></u>
- <u><em>some people cannot live without drinking 24/7</em></u>
- <em><u>drinking can make you get sick and have diseases</u></em>
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<em><u>Thank you for asking this great question need any other help please let me know by commenting below I'd be glad to help.</u></em>
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<em><u>( optional )Your brainly friend ( lauralit1 )</u></em>
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Answer:
The human rectus abdominis muscle. costal cartilages of ribs 5-7 Xiphoid process of sternum. The rectus abdominis muscle, also known as the "abdominal muscle" or simply the "abs", is a paired muscle running vertically on each side of the anterior wall of the human abdomen, as well as that of some other mammals.
Explanation:
I really hope i helped! :)
