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telo118 [61]
3 years ago
11

En las siguientes reacciones identifique cuales sustancias corresponden a ácidos y bases de Arrhenius y cuales a ácidos y bases

de Brønsted – Lowry
a. HBr → H+ + Br-
b. NH4 + OH H2O+ + NH3
c. HCO3+ H2O CO3- + H3O+
d. KOH → K+ + OH-
e. HNO3 → H+ + NO3-
f. Al (OH)3 → Al+ + 3OH-
g. H2SO4- + H2O H3O+ + HSO4
Chemistry
1 answer:
ser-zykov [4K]3 years ago
7 0

Answer:

do you have an english version

Explanation:

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3 years ago
Convert mass to moles for both reactants.<br> 2.50g CuCl2<br> 0.50g Al
alexandr402 [8]

Answer:

Number of moles of Al = 0.02 mol

Number of moles of CuCl₂ = 0.02 mol

Explanation:

Given data:

Mass of CuCl₂ = 2.50 g

Moles of CuCl₂ = ?

Solution:

Formula:

Number of moles = mass / molar mass

Molar mass of CuCl₂  =  63.546 + 35.5 ×2

Molar mass of CuCl₂  =  134.546 g/mol

Now we will put the values in formula:

Number of moles = 2.50 g / 134.546 g/mol

Number of moles = 0.02 mol

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Mass of Al = 0.50 g

Moles of Al = ?

Solution:

Formula:

Number of moles = mass / molar mass

Molar mass of Al  =  27 g/mol

Now we will put the values in formula:

Number of moles = 0.50 g / 27 g/mol

Number of moles = 0.02 mol

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