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lana66690 [7]
3 years ago
15

002 (part 1 of 2) 10.0 points

Chemistry
1 answer:
BARSIC [14]3 years ago
6 0

Answer:

4) 1.5 mol

Explanation:

Well, the equation is already balanced and the mole to mole ratio of reactants and products are all 1. So if the limiting reactant is HCl and you have 1.5 mol, you do the mole to mole ratio with NaCl and since it is 1 to 1, there'd be 1.5 mol of NaCl.

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The formula equation of Acetylene + oxygen ----> carbon dioxide + water ​
snow_lady [41]

Answer:

The final balanced equation is : 2C2H2+5O2→4CO2+2H2O.

8 0
3 years ago
Consider a situation in which 211 g
Stella [2.4K]

Answer:

3.00 mol

Explanation:

Given data:

Mass of P₄ = 211 g

Mass of oxygen = 240 g

Moles of P₂O₅ = ?

Solution:

Chemical equation:

P₄ + 5O₂       →     2P₂O₅

Number of moles of P₄:

Number of moles = mass/ molar mass

Number of moles = 211 g / 123.88 g/mol

Number of moles = 1.7 mol

Number of moles of O₂ :

Number of moles = mass/ molar mass

Number of moles = 240 g / 32g/mol

Number of moles = 7.5 mol

Now we will compare the moles of product with reactant.

                       O₂         :         P₂O₅

                        5          :           2

                        7.5       :        2/5×7.5 = 3.00

                       P₄          :         P₂O₅

                        1           :           2

                       1.7         :       2×1.7 = 3.4 mol

Oxygen is limiting reactant so the number of moles of P₂O₅ are 3.00 mol.

Mass of P₂O₅:

Mass = number of moles × molar mass

Mass = 3 mol ×283.9 g/mol

Mass = 852 g

3 0
3 years ago
If an atom of tin has a mass number of 118 and an atomic number of 50, how many electrons does it have? 50 168 118 68
Ksju [112]
There are 50 electrons

8 0
3 years ago
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Which word is used describe someone who is fair and has no bias?
rodikova [14]
Impartial is the word that you want to use
6 0
3 years ago
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2. Which one is the modal class?
Sonja [21]

Answer:

a.3-5 is the modal class.

7 0
3 years ago
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