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RideAnS [48]
4 years ago
14

(Lewis Dot Structures):

Chemistry
1 answer:
atroni [7]4 years ago
8 0

Answer:

The resolution is shown in the attached picture.

Explanation:

N₂ is a molecule formed by a triple bond between two nitrogen atoms. It has a linear geometry and shape and is non-polar.

SO₃²⁻ is a molecule formed by one double bond between the sulphur atom and one of the oxygens and two single bonds betwenn the sulphur atom and the other two oxygen atoms. The AXE notation is AX₃E and the geometry is trigonal pyramidal. The molecule is polar.

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What is the mass of 1.2 mol IrI3?​
mr_godi [17]

Answer:

690 g IrI₃

Explanation:

To convert from moles to grams, you have to use the molar mass of the compound. The molar mass of IrI₃ is 572.92 g/mol. You use this as the unit converter in this equation:

1.2molIrI3 * \frac{572.92g}{1mol} = 687.504 g IrI3

Round to the lowest number of significant figures which is 2 to get 690 g IrI₃.

5 0
3 years ago
A 0.420 M Ca(OH)2 solution was prepared by dissolving 64.0 grams of Ca(OH)2 in enough water. What is the total volume of the sol
nikitadnepr [17]

The volume of the solution is given below which can be calculated using the molarity formula as 2.18 litres.

<h3>Define the molarity of a solution.</h3>

Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per litres of a solution.

Molality = \frac{Moles \;solute}{Volume \;of \;solution \;in \;litre}

Given data:

M= 0.420M

mass = 64.0 grams

Molar Mass= 74g/mol

To find:

The volume of solution=?

The calculation for a number of moles:

n= \frac{m}{M}

n= \frac{64}{70}

n= 0.91 moles

Molarity=  \frac{n}{V}

V= \frac{0.91}{0.420}

V= 2.1768 litres

Thus, the volume of the solution is 2.18 litres.

Find more information about Molarity here:

brainly.com/question/26873446

#SPJ1

6 0
2 years ago
Question 22 (1 point)
aivan3 [116]

Answer:

im pretty sure its b

Explanation:

7 0
3 years ago
Most important factor in determining an element's place in the periodic table
Monica [59]
The number of Protons.
(which is also the ATOMIC NUMBER)
3 0
3 years ago
At what temperature does the motion of the particles of an ideal gas cease?
pishuonlain [190]

Answer:The temperature at which the motion of particles theoretically ceases is 00A or absolute zero, Absolute 00 is the definition of 00 on the Kelvin and Rankine temperature scales.

Explanation:

4 0
2 years ago
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