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Eduardwww [97]
2 years ago
9

The molar mass of C2H6O2

Chemistry
1 answer:
KengaRu [80]2 years ago
3 0

Answer:

62.07 g/mol

Explanation:

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A sugar crystal contains approximately 1.4×1017 sucrose (C12H22O11) molecules. What is its mass in milligrams? Express using 2 s
alekssr [168]

Answer:

From the periodic table:

mass of carbon = 12 grams

mass of hydrogen = 1 grams

mass of oxygen = 16 grams

molar mass of surcose = 12(12) + 22(1) + 11(16) = 342 grams

number of molecules = number of moles x Avogadro's number

number of moles = number of molecules / Avogadro's number

number of moles = (2.2x10^17) / (6.02x10^23) = 3.6544 x 10^-7 moles

number of moles = mass / molar mass

mass = number of moles x molar mass

= 1.7 x 10^17/6.022 x 10^23.

5 0
2 years ago
Read 2 more answers
Classify these compounds as acid, base, salt, or other.? 1. ch3oh 3. hno3 5. nabr
ELEN [110]
<span> </span><span>1. Alcohol(other) 
3. Acid 
5. Salt 

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5 0
3 years ago
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A sample of gas contains 0.1800 mol of CO(g) and 0.1800 mol of NO(g) and occupies a volume of 23.2 L. The following reaction tak
baherus [9]

Answer:

The volume of the sample is 17.4L

Explanation:

The reaction that occurs requires the same amount of CO and NO. As the moles added of both reactants are the same you don't have any limiting reactant. The only thing we need is the reaction where 4 moles of gases (2mol CO + 2mol NO) produce 3 moles of gases (2mol CO2 + 1mol N2). The moles produced are:

0.1800mol + 0.1800mol reactants =

0.3600mol reactant * (3mol products / 4mol reactants) = 0.2700 moles products.

Using Avogadro's law (States the moles of a gas are directly proportional to its pressure under constant temperature and pressure) we can find the volume of the products:

V1n2 = V2n1

<em>Where V is volume and n moles of 1, initial state and 2, final state of the gas</em>

Replacing:

V1 = 23.2L

n2 = 0.2700 moles

V2 = ??

n1 = 0.3600 moles

23.2L*0.2700mol = V2*0.3600moles

17.4L = V2

<h3>The volume of the sample is 17.4L</h3>
8 0
2 years ago
The lungs are covered with a thin layer called ________​
Naddika [18.5K]

interstitium

#keeponlearning

5 0
2 years ago
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What is the high court in South Africa called?​
blsea [12.9K]

Answer:

The Supreme Court of Appeal

Explanation:

The Supreme Court of Appeal is based in Bloemfontein in the Free State. Except for the Constitutional Court, it is the highest court in South Africa and it only deals with cases sent to it from the High Court.

5 0
2 years ago
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