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suter [353]
3 years ago
12

Record the volume of the liquid in the graduated cylinder. The volume of the liquid is

Chemistry
1 answer:
mario62 [17]3 years ago
5 0

Answer:

53

Explanation:

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PLEASE GELP ME I WILL MARK BRAINLIEST
klio [65]

4Li + O₂ ⇒ 2Li₂O

Li₂O = 2/4 x 3.33 = 1.665

4 0
2 years ago
5. When. 0.333g of a particular molecular compound dissolves in 33.3 grams of benzene, the freezing point was observed to drop b
Ivanshal [37]

The molecular weight of the molecular compound is

x= 105.57 g/mol

<h3>What is the molecular weight of the molecular compound?</h3>

Generally,a  the equation for Mole of molecular compound is  mathematically given as

Mm= mass / molar mass

Therefore

Mm= 0.333 g / x

the equation for Morality

M = mole of solute / mass of solvent

M = \frac{(0.333 g / x )}{33.3 g / 1000 }

M= 10 / x

the equation for change in temp dt

dt= K* morality

Therefore

0.485 = \frac{5.12}{ * 10/ x}

x = (5.12 *10) / 0.485

x = 105.57 g/mol

In conclusion, molecular mass of molecular compound

x= 105.57 g/mol

Read more about molecular compound

brainly.com/question/23088724

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3 0
1 year ago
SUBMIT
shutvik [7]

Answer:

i guess its the red wave so A

6 0
3 years ago
How many grams of CO would be required to generate 635 g CO2
vivado [14]

The amount of CO that would be required to generate 635 g of CO2 will be 404.14 g

<h3>Stoichiometric problem</h3>

First, let us get the equation of the reaction:

2CO + O_2 -- > 2CO_2

From the equation, we can see that the mole ratio of CO to that of CO2 is 1:1.

635 g of CO2 is to be generated.

Mole of 635 g CO2 = mass/molar mass = 635/44.01 = 14.43 moles

Thus, the equivalent mole of CO required will also be 14.43 moles.

Mass of 14.43 moles CO = moles x molar mass = 14.43 x 28.01 = 404.14 g

Hence, 404.14 g of CO will be required to produce 635 g of CO2

More on stoichiometric problems can be found here: brainly.com/question/14465605

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7 0
2 years ago
2) Calculate the mass(g) of the following substances:<br> b) 0.119 mole MgCl2
VARVARA [1.3K]

Answer:

MgCl2 = 24 + 2(35.5)

= 95

mass of substance = mol × molar mass

= 0.119 × 95

= 11.305 g

4 0
3 years ago
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