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kati45 [8]
3 years ago
10

Find the molar mass and the mass of 5.0000 mol of each of the following compounds. a. calcium acetate, Ca(C2H3O2)2

Chemistry
1 answer:
Vadim26 [7]3 years ago
8 0

Answer:

molar mass is 158g and the mass of 5moles is 790g

Explanation:

this is becasuse  i added the atomic mass of each of the elements in the compound and also taking note of their subscript.the i multiply the molarmass by 5 for 5moles of the compound

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Elements in the same group have D. Same number of valence electrons.
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Explain why the amino group of p-aminobenzoic acid does not participate in the reaction
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This is because amino group of p-aminobenzoic acid is an aniline and is less electrophilic than an alkyl amine.

<h3>What is an Aniline?</h3>

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Read more about Aniline here brainly.com/question/9982058

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2 years ago
In most lewis dot structures of neutral compounds, carbon as the central atom will be bound to a maximum of how many atoms, nitr
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7 0
3 years ago
Please I need help on these 3 questions. Thank You.​
Liula [17]

1.

V = 200 mL (volume)

c = 3 M = 3 mol/L (concentration)

First we convert mL to L:

200 mL = 0.2 L

Then we calculate the moles using the formula: n = V × c = 0.2 L × 3 mol = 0.6 mol

Finally, we just use the molar mass of CaF2 to calculate the actual mass:

molar mass = 78 g/mol

The formula is: m = n × mm (mass = moles × molar mass)

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2.

For this question the steps are exactly like the first question.

V = 50mL = 0.05 L

c = 12 M = 12 mol/L

n = V × c = 0.05 L × 12 mol/L = 0.6 mol

molar mass (HCl) = 36.5 g/mol

m = n × mm = 0.6 mol × 36.5 g/mol = 21.9 g.

3.

The steps for this question are the opposite way.

m(K2CO3) = 250 g

molar mass = 138 g/mol

n = m ÷ mm = 1.81 mol

c = 2 mol/L

V = n ÷ c = 1.81 mol ÷ 2 mol/L = 0.905 L = 905 mL

6 0
3 years ago
Explain how two object create heat went rub quickly
sergiy2304 [10]

Answer:

friction

Explanation:

the resistance that one surface or object encounters when moving over another.

4 0
2 years ago
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