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kap26 [50]
3 years ago
7

Identify the Lewis base in this balanced equation:

Chemistry
2 answers:
bezimeni [28]3 years ago
6 0

Answer:

H2O

Explanation:

bearhunter [10]3 years ago
5 0

Answer:

b

Explanation:

bc i took the test

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crimeas [40]
The wood turns into ash and smoke so mass is nor destroyed or created.
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3 years ago
what mass of sulfur dioxide would be produced if 64 tonnes of sulfur was completely reacted with oxygen gas?
inysia [295]

Answer:

128tonnes

Explanation:

Check attachment  

7 0
4 years ago
You mix 265.0 mL of 1.20 M lead(II) nitrate with 293 mL of 1.55 M potassium iodide. The lead(II) iodide is insoluble. What amoun
slava [35]

Answer:

105 grams PbI₂

Explanation:

Pb(NO₃)₂ + 2KI => 2KNO₃ + PbI₂(s)

moles Pb(NO₃)₂ = 0.265L(1.2M) = 0.318 mole

moles KI = 0.293(1.55M) = 0.454 mole => Limiting Reactant

moles PbI₂ from mole KI in excess Pb(NO₃)₂ = 1/2(0.454 mole) = 0.227 mol PbI₂

grams PbI₂ = 0.227 mol PbI₂ x 461 g/mole = 104.68 g ≈ 105 g PbI₂(s)

7 0
3 years ago
Read 2 more answers
What was the resulting molarity of your primary standard solution of potassium iodate kio3?
melamori03 [73]
Missing question: 0,535 gram of KIO₃ dissolved in 250 mL of de-ionized water to <span>make primary standard solution.
m(</span>KIO₃) = 0,535 g.
V(KIO₃) = 250 mL ÷ 1000 mL/L = 0,25 L.
n(KIO₃) = m(KIO₃) ÷ M(KIO₃).
n(KIO₃) = 0,535 g ÷ 214 g/mol.
n(KIO₃) = 0,0025 mol.
c(KIO₃) = n(KIO₃) ÷ V(KIO₃).
c(KIO₃) = 0,0025 mol ÷ 0,25 L.
c(KIO₃) = 0,01 mol/L = 0,01 M.
8 0
3 years ago
¿que tipos de compuestos son los que tienen como elemento central carbono combinado con oxigeno e hidrógeno?
Alexxandr [17]
Cuando se combina con oxígeno e hidrógeno, el carbono puede formar muchos grupos de compuestos biológicos importantes que incluyen carbohidratos (azúcares), lignanos (importantes en las plantas), quitinas (el componente principal de las paredes celulares de los hongos, los exoesqueletos de los artrópodos), alcoholes, lípidos y grasas (triglicéridos) y carotenoides.
(Lo busqué) espero que esto ayude:)
3 0
4 years ago
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