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AlexFokin [52]
4 years ago
5

Convert 5 moles H2O to liters

Chemistry
1 answer:
luda_lava [24]4 years ago
4 0
112 liters H2O
5mol H2O• 22.4L/ 1mol H2O
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A 11.79 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 1
Elis [28]

Answer:

MoO₃

Explanation:

To solve this question we must find the moles of molybdenum in Mo2O3. The moles of Mo remain constant in the new oxide. With the differences in masses we can find the mass of oxygen and its moles obtaining the empirical formula as follows:

<em>Moles Mo2O3 -Molar mass: 239,878g/mol-</em>

11.79g * (1mol / 239.878g) = 0.04915 moles Mo2O3 * (2mol Mo / 1mol Mo2O3) = 0.09830 moles Mo

<em>Mass Mo in the oxides:</em>

0.09830 moles Mo * (95.95g/mol) = 9.432g Mo

<em>Mass oxygen in the new oxide:</em>

14.151g - 9.432g = 4.719g oxygen

<em>Moles Oxygen:</em>

4.719g oxygen * (1mol/16g) = 0.2949 moles O

The ratio of moles of O/Mo:

0.2949molO / 0.09830mol Mo = 3

That means there are 3 moles of oxygen per mole of Molybdenum and the empirical formula is:

<h3>MoO₃</h3>
3 0
3 years ago
A chemical reaction is shown below. Fe +H,0 – Fe 0,+H What are the products in the equation? A FeO, only B Fe only C Fe and H2O
marusya05 [52]
The solve is D) Feo4+h2o
6 0
3 years ago
An example of an extensive property of matter is?<br>temp<br>pressure<br>mass<br>hardness
Gelneren [198K]
I believe the answer is mass :) 
7 0
3 years ago
Caluclate the volume of0,25 mol dm -^3 hydrochloric acid required to neutralize 2.0 dm^3 of 0,15 mol dm-^3 barium hydroxide
inessss [21]

Answer:

2.4 dm-3

Explanation:

Equation of the reaction;

2HCl(aq) + Ba(OH)2(aq) -------> BaCl2(aq) + 2 H2O(l)

Volume of acid VA = ??

Concentration of acid CA = 0.25 moldm-3

Volume of base VB = 2.0 dm^3

Concentration of base CB = 0.15 moldm-3

Number of moles of acid NA = 2

Number of moles of base NB = 1

CAVA/CBVB = NA/NB

CAVANB = CBVBNA

VA = CBVBNA/CANB

VA = 0.15 * 2 * 2/0.25 *1

VA = 2.4 dm-3

4 0
3 years ago
Read 2 more answers
Using the formula F=ma, what is the force exerted by a 10 kg bowling ball
Blababa [14]

Answer:

<h2>The answer is 100 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

<h3>Force = mass × acceleration</h3>

From the question

mass = 10 kg

acceleration = 10 m/s²

We have

Force = 10 × 10

We have the final answer as

<h3>100 N</h3>

Hope this helps you

3 0
3 years ago
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