The mass of the acetic acid is 1.512 g.
<h3 /><h3>What is Molarity?</h3>
molarity is the concentration of a substance in mol per dm³
From the question,
The number of moles contained in the 30 mL vinegar is
- n = (0.84×30)/1000
- n = 0.0252 mol.
the molar mass of vinegar is calculated below.
- m.m of (HC₂H₃O₂) = [1+(12×2)+(1×3)+(16×2)]
- m.m = (1+24+3+32]
- m.m = 60 g/mol.
To calculate the mass of acetic acid, we use the formula below.
- R.m = n×m.m............. Equation 1
Where
- R.m = mass of acetic acid.
Substitute these values into equation 1
- R.m = (0.0252×60)
- R.m = 1.512 g.
Hence, The mass of the acetic acid is 1.512 g.
Learn more about molarity here: brainly.com/question/20383725
Answer:
<em>A ) 7 GRAMS</em>
Explanation:
7 grams.
The sum of the reactants must equal the sum of the products.
Reactant = 100 grams
Products = 100 g mercuric oxide - 93 g mercury which equals 7 grams oxygen.
The given excerpt connects to the theme "evil can never truly hide itself" because; B: Hyde continuously plagues jekyll.
<h3>Story on Strange Case of Dr. Jekyll and Mr Hyde</h3>
The given excerpt is taken from the novel titled "Strange Case of Dr. Jekyll and Mr Hyde" written by a Scottish author named Robert Louis Stevenson.
From the excerpt we see that Utterson and Enfield are horrified when they see Jekyll's transformation. We also see where it was said that "We have come too late," he said sternly, "whether to save or punish. Hyde is gone to his account; and it only remains for us to find the body of your master."
Finally, we can conclude that the way the excerpt connects to the theme "evil can never truly hide itself" is that Hyde continuously plagues jekyll.
Read more about Strange Case of Dr. Jekyll and Mr Hyde at; brainly.com/question/6330517
A medication for which the nurse will educate the caregivers of a child diagnosed with rheumatic fever is aspirin.
<h3>What is a drug?</h3>
A drug can be defined as a type of chemical substance (medication) that is designed and administered to provide wellness and healing to a sick person.
In this scenario, we can infer and logically deduce that a medication for which the nurse will educate the caregivers of a child that is diagnosed with rheumatic fever is aspirin such as salicylates.
Read more on drugs here: brainly.com/question/26984288
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