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4 years ago

36.665m=____________cm

Chemistry

1 answer:

charle [14.2K]4 years ago

3 0

Answer:0.36665

Explanation:

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Would Mn(HPO4)2 be manganese (II) monohydrogen phosphate?

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No, because HPO₄ is a multi-atom ion and has its own name which is Hydrogen phosphate.

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4 years ago

It is logical to conclude that water cannot dissolve vegetable oil because the oil is

Gekata [30.6K]

In chemistry, there is a common note that says, "Like dissolves like".

This pertains to the concept that polar substances can dissolve only other polar substances. Also, nonpolar substances are also only able to dissolve nonpolar substances.

Polarity of the substance depends primarily on the type of bond and the difference in electronegativity.

Water is a polar substance while vegetable oil is not. From the concept presented above, it may be concluded that water will not be able to dissolve the vegetable oil and the assumption is logical.

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3 years ago

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What determines gravitational pull?

vlabodo [156]

Hello there!

From my calculations the answers are:

D. Mass

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3 years ago

A pharmacy intern is asked to prepare 3 L of a 30% w/v solution. T he pharmacy stocks the active ingredient in 8-ounce bottles o

MariettaO [177]

Answer: The number of bottles that will be needed are 6

Explanation:

We are given:

Amount of solution, the intern is asked to prepare = 3 L = 3000 mL (Conversion factor: 1 L = 1000 mL)

Strength of solution needed = 30 % (w/v)

This means that in 100 mL of solution, the solute present is 30 grams

So, in 3000 mL of solution, the solute present will be = $\frac{30}{100}\times 3000=900g$

Active ingredient present in 1 bottle = 8 ounce of 70 % (w/v)

Conversion factor used: 1 ounce = 29.57 mL

So, $8ounce\times \frac{29.57mL}{1ounce}=236.6mL$

Amount of active ingredient present in 1 bottle = $236.6\times \frac{70}{100}=165.6g$

To calculate the number of bottles, we need to divide the total amount of solution needed by the amount of active ingredient present in 1 bottle, we get:

$\text{Number of bottles}=\frac{\text{Amount of solution to prepare}}{\text{Amount of active ingredient in 1 bottle}}$

Putting values in above equation, we get:

$\text{Number of bottles}=\frac{900g}{165.6g}\\\\\text{Number of bottles}=5.43\approx 6$

Hence, the number of bottles that will be needed are 6

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3 years ago

List down some examples of matters based on its physical state (Solid,

Anna [14]

Answer:

Examples of Solids

1. Brick

2. coin

3. Iron bar

4. rock

5. wood

Examples of Liquids

1. Blood

2. Honey

3. Wine

4. Water

5. oil

Examples of Gases

A gas does not have a defined shape or volume, so it can expand to fill any size or shape of a container. Particles in gases are widely separated, compared to those in liquids and solids.

Explanation:

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3 years ago