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GenaCL600 [577]
3 years ago
5

PLEASE HELP...............................................

Chemistry
1 answer:
Serjik [45]3 years ago
5 0
Umm its not a i think... lemme see lol

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Calculate the mass in mg of the aspirin tablet that contains 5.0 grains of aspirin . Assume 1 pound contains 7000 grains.
Rzqust [24]

Answer:

323.99 mg

Explanation:

We need to find the mass of the aspirin tablet that contains 5.0 grains of aspirin.

1 pound = 7000 grains

1\ \text{grain}=\dfrac{1}{7000}\ \text{pounds}

5\ \text{grain}=\dfrac{1}{7000}\times 5\ \text{pounds}\\\\=\dfrac{1}{1400}\ \text{pounds}

We know that, 1 pound = 453.592 grams

Also, 1 pound = 453592 mg

\dfrac{1}{1400}\ \text{pounds}=\dfrac{1}{1400}\times 453592\ mg\\\\=323.99\ \text{mg}

Hence, 4 grains of aspirin contains 323.99 mg.

4 0
3 years ago
In terms of the number of valence electrons, describe one cyclic property that can be observed in the model.
Crazy boy [7]
Will you please tell about which model are you talking about? So, that I can help you because your seems to be incomplete.
6 0
3 years ago
How many molecules are present in 2.00 mol of KCl?
Tom [10]

Answer:

The question specified 2 moles of potassium chloride. Clearly, there are 2 moles of chloride ions. How many moles of chloride ions in 95.2 g

5 0
2 years ago
How many ml of a 2.903 M NaOH solution are needed to produce 500.0 ml of a 0.3344M solution?
levacccp [35]

Answer:

57.6ml

Explanation:

Using dilution formula

C1V1 = C2V2

C1 = 2.903 M, V1 = ? , C2 = 0.3344 M , V2 = 500ml

2.903 × V1 = 0.3344 × 500

V1 =( 0.3344 × 500)/ 2.903

= 57.5956

≈ 57.6ml

3 0
2 years ago
Comparing Science and Pseudoscience
Bond [772]

Answer:

The US surgeon general's 1964 report declared that smoking cigarettes was linked to cancer .

The average global temperature of the Earth has increased by almost two degrees in the last century.

Explanation:

Science and pseudoscience differs in terms of scientific methods involved in any study. Science deals with the practices and beliefs that undergo a method of scientific study. Pseudoscience is the term associated with the ideas and beliefs that tend to be scientific in nature but they fail in their execution of following the scientific methods.  

From the given options, two of them are the examples of science and not pseudoscience.

6 0
3 years ago
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