Chemistry College

Part A
A solution of cough syrup contains 5.00% active ingredient by volume. If the total volume of the bottle is 68.0 mL, how many milliliters of ac
ingredient are in the bottle?
Express your answer with the appropriate units.

Answers

Answer 1

There are 3.4 milliliters of the active ingredient in the cough syrup bottle.

To calculate the volume of the active ingredient in the cough syrup bottle, we need to multiply the total volume of the bottle by the percentage of the active ingredient.

Given:

Total volume of the bottle = 68.0 mL

Percentage of active ingredient = 5.00%

First, we convert the percentage to a decimal by dividing it by 100:

Percentage of active ingredient = 5.00% = 5.00/100 = 0.05

Next, we calculate the volume of the active ingredient:Volume of active ingredient = Total volume of the bottle × Percentage of active ingredient

Volume of active ingredient = 68.0 mL × 0.05

Volume of active ingredient = 3.4 mL

Therefore, there are 3.4 milliliters of the active ingredient in the cough syrup bottle.

It's important to note that the calculation assumes a homogeneous distribution of the active ingredient throughout the solution.

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Related Questions

help please! predict whether each substance will dissolve in water.

Answers

The compound n - hexane as shown does not dissolve in water.

Why does n - hexane not dissolve in water?

Due to a large difference in polarity between the two compounds, n-Hexane does not dissolve in water.

Water is a polar molecule, which means that one end of it (the hydrogen side) has a slight positive charge and the other end (the oxygen side) has a slight negative charge. The unequal distribution of electrons within the water molecule, which produces a dipole moment, is the cause of this polarity.

N-Hexane, on the other hand, is a nonpolar molecule. The electrons are uniformly distributed throughout the molecule, which is made up of carbon and hydrogen atoms bound together in a straight chain. N-Hexane lacks a substantial dipole moment as a result.

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What are two types of fibres obtained from the fleece of a sheep? Which one is used to make wool?​

Answers

Answer: The two types of fibres obtained from the fleece of a sheep are beard hair, which are coarse and fine, and soft under hair, which grow near the skin. The under hair are used to make wool

Answer:

Answer: The two types of fibres obtained from the fleece of a sheep are beard hair, which are coarse and fine, and soft under hair, which grow near the skin. The under hair are used to make wool.

Explanation:

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(I didn't copy the person above me! I just realized we had the same answer.)

If you have 2.60 X 1023 molecules of (NH4)3PO4, how many grams do you have?

Answers

If you have 2.60 x 10²³ molecules of (NH₄)₃PO₄, you have 64.7 grams of it.

The number of particles contained in a sample is measured in terms of the mole. One mole of a compound is the quantity of that substance that has a mass in grams equal to its relative atomic or molecular mass (atomic weight).To find the number of moles of (NH₄)₃PO₄, we'll need to use the Avogadro constant, which is 6.02 x 10²³. We can use the formula:moles = particles ÷ Avogadro constantThe number of particles is given as 2.60 x 10²³. Substituting the values:moles = 2.60 x 10²³ ÷ 6.02 x 10²³moles = 0.432Molar massNow that we have the number of moles of (NH₄)₃PO₄, we can compute its mass. The molecular mass of (NH₄)₃PO₄ is 149.0 g/mol. We can use the formula:mass = moles x molecular mass Substituting the values:mass = 0.432 x 149.0mass = 64.7 grams

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