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d1i1m1o1n [39]
3 years ago
7

What is the mass of a 4.00cm3 piece of sod chloride having density of 2.16 g/cm3

Chemistry
1 answer:
Lesechka [4]3 years ago
6 0
<h3>Answer:</h3>

8.64 g

<h3>Explanation:</h3>
  • Density is the ratio of mass of substance to its volume.
  • It is calculated by dividing the mass of a substance by its volume.
  • Density = Mass ÷ Volume

In this case we are given,

Volume of sodium chloride = 4.00 cm³

Density of sodium chloride = 2.16 g/cm³

We are required to calculate the mass of sodium chloride,

Rearranging the formula;

Mass = Density × volume

Mass of sodium chloride = 2.16 g/cm³ × 4.00 cm³

                                        = 8.64 g

Therefore, the mass of sodium chloride is 8.64 g

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7 0
3 years ago
5.1169 mol of Ne is held at 0.9148 atm and 911 K. What is the volume of its container in liters?
sveticcg [70]

By applying the Boyle's equation and substituting our given data the volume of the container was found to be 418.14 Litres

<h3>Boyle's  Law</h3>

Given Data

  • number of moles of Ne = 5.1169 mol
  • Pressure = 0.9148 atm
  • Temperature = 911 K

We know that the relationship between pressure and temperature is given as

PV = nRT

R = 0.08206

Making the volume subject of formula we have

V= nRT/P

Substituting our given data to find the volume we have

V = 5.1169*0.08206*911/0.9148

V = 382.522353554/0.9148

V = 418.14 L

Learn more about Boyle's law here:

brainly.com/question/469270

5 0
2 years ago
What is the mole ratio of N2 to H2 to NH3?
Alexeev081 [22]

Answer:

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4 0
4 years ago
How many atoms are present in 7.50 mol of chlorine atoms? _
vodomira [7]

Answer:

4.52 x 10²⁴ atoms Cl

Explanation:

A mole is a name that means a certain number like a dozen means 12. 1 mole of chlorine atoms is 6.022 x 10²³ chlorine atoms. The unit conversion is 6.022 x 10²³/mol.

7.50molCl*\frac{6.022 x 10^{23} atomsCl}{1molCl} = 4.5165*10^{24} atomsCl

Round to 4.52 x 10²⁴ atoms Cl for the correct number significant figures.

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A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s2. What is the mass of the box?
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