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2 years ago

If you have a density of 3 g/mL and a mass of 15 g, what is the volume?

Chemistry

2 answers:

Alexandra [31]2 years ago

6 0

Answer:

5mL

Explanation:

ρ=m/V

V=m/ρ=15/3=5 mL

Hope, this helps you.

marta [7]2 years ago

3 0

Answer:

15 ml

Explanation:

Volume = mass / density.

So our answer is 15 / 3 = 15 mL

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Answer:

They will create an ionic bond.

Explanation:

The atom with the one valence electron will lose its one, because it's a metal and metals will lose electrons to become stable. The nonmetal (with 7 valence electrons) will gain that electron, therefore creating a stable octet for the nonmetal, making the compound stable.

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2 years ago

Describe the difference between Al3+ and N3-

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Al3+ is cation due to its positve charge
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3 years ago

A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of X and the percent by mass of

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Answer: The additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

Explanation:

To calculate the mole percent of a substance, we use the equation:

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To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

We require the molar masses of Z and X to calculate the mole percent of Z and X respectively

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2 years ago

A blood sample of 4.01 milliliters is collected from a patient to be analyzed for a platelet count. Human blood should have arou

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Given :

Human blood should have around 1.04 kg/L platelets.

A blood sample of 4.01 milliliters is collected from a patient to be analyzed for a platelet count.

To Find :

The expected mass in grams of platelets in the blood sample.

Solution :

1 L of human blood contains 1.04 kg of platelets.

So, amount of platelets is 1 ml blood is :

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3 years ago

How many water molecules are created when 32 grams of oxygen react completely with 4.0 grams of hydrogen?

ch4aika [34]

Answer:

d. 1.2 × 1024

Explanation:

From the equation of reaction

2H2 + O2= 2H2O

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2 years ago