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.
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Answer: 1, 3, 2, 4. The first thing she did in the question is the first she should do when preparing. The second thing she did should be the third. The third thing she did should be the second thing she does. The fourth should be the last.
Explanation: When making a presentation, first one should choose a topic, then research it and write the presentation, then practice, then give it.
Answer:
D. vacuole
Explanation:
A vacuole holds water, food, waste, nutrients, proteins, and carbohydrates. It also removes harmful things that can damage cells.
The outcomes of nation building in Africa is that it has lead to a lot of development such as making of sewer systems, roads, and good jobs.
<h3>What is nation-building in Africa?</h3>
This is known as the act of creating a group national identity in a given territory known to be called a nation building.
Not that Africa has been fractured by colonialism and as such he outcomes of nation building in Africa is that it has lead to a lot of development such as making of sewer systems, roads, and good jobs.
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