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Papessa [141]
3 years ago
7

HELP! WILL MARK BRAINLIEST! ASAP!!

Chemistry
1 answer:
lilavasa [31]3 years ago
8 0

Answer:

Mn is a Paramagnetic

Explanation:

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Turn on Write equation. What you see is an equation that shows the original uranium atom on the left. The boxes on the right rep
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Uranium-238 undergoes alpha decay to form Thorium-234 as daughter product.

Explanation:

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2 years ago
What mass of zinc is needed to react with 23.1g of phosphoric acid according to the following equation?
Hunter-Best [27]

23.01 g of zinc (Zn)

Explanation:

We have the following chemical reaction:

3 Zn + 2 H₃PO₄ = 3 H₂ + Zn₃(PO₄)₂

number of moles = mass / molar weight

number of moles of phosphoric acid = 23.1 / 98 = 0.236 moles

Taking in account the chemical reaction, we devise the following reasoning:

if           2 moles of H₃PO₄ are reacting with 3 moles of Zn

then      0.236 moles of H₃PO₄ are reacting with X moles of Zn

X = (0.236 × 3) / 2 = 0.354 moles of Zn

mass = number of moles × molar weight

mass of Zn = 0.354 × 65 = 23.01 g

Learn more about:

number of moles

brainly.com/question/13911775

#learnwithBrainly

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