Suppose you wanted to dissolve 109 g of sodium carbonate in enough water to make 6.00 L of solution. What is the molarity of this solution?

Answers

Answer 1

Answer: Molarity

a. Na2CO3
Molar mass = 106 g/mol
n= 109 g / (106 g/mol) = 1.028 mol

b. 6.00L

c. M=n/V
M = 1.028 mol / 6.00 L
M= 0.1713 mol / L

Answer: The molarity of the sodium carbonate solution is 0.1713 mol/L

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Consider the reaction below. 2Al2O3 mc031-1.jpg 4Al + 3O2 How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed?

The compound before the arrow are called blank and the compound after the arrow are called blank

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First one is reactants and then second one is products

What are four physical properties of aluminum foil?

Answers

1) solid
2) ductile
3) malleable
4) silver in color

Malleable means that it is "flexible" or can be permanently reshaped easily. Ductile means that it can be drawn out into a wire. Aluminum foil's state of matter is solid, and it appears in a silver color.

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Please show step by step and I will mark you as brainliest answer ❤️

Answers

Answer: The pH of the solution is 13.

Explanation:

pOH is defined as the negative logarithm of hydroxide ion concentration present in the solution.

$pOH=-\log [OH^-]$

We are given:

Concentration of $Ca(OH)_2=0.05mol/dm^3=0.5mol/L$ (Conversion factor: $1L = 1dm^3$ )

1 mole of calcium hydroxide produces 1 mole of calcium ions and 2 moles of hydroxide ions

Concentration of $OH^-=(2* 0.05)=0.1mol/L$

Putting values in above equation, we get:

$pOH=-\log (0.1)\n\npOH=1$

We know:

$pH+pOH=14\n\npH=14-1\n\npH=13$

Hence, the pH of the solution is 13.

What color represents the highest elevation

Answers

The Color Red Is What People To Represent High Elevation From: 2,000-2,400 m

red is my answer hope I helped you on this :-D :-D :-D

If the momentum of a car is reduced by half, assuming mass did not change, what must also have been reduced by half?

Answers

Answer:

Velocity is halved

Explanation:

Momentum is contingent on mass and velocity. The quantity of motion in a body is called the momentum of the body.

Momentum = mass x velocity

Now, if mass does not change and momentum is reduced by half, it suggests that the velocity was reduced by half.

Velocity is directly related to momentum.

'why is a slanted paper tube considered a ramp?'

Answers

The incline could help things go up the incline plane therefore you can say it is an inclined plane. Hope this helped

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