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Kisachek [45]
3 years ago
6

:answer question number 5

Chemistry
2 answers:
Serhud [2]3 years ago
6 0

Answer:

True

Explanation:

TRUST:)

In-s [12.5K]3 years ago
3 0

Answer:

it is simple true and thanks for point

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What mass of manganese(II) chloride must react with sulfuric acid to release 52.5 mL of hydrogen chloride gas at STP?
velikii [3]
The balanced chemical reaction is written as:

MnCl2(s)+H2SO4(aq)→MnSO4(aq)+2HCl(g)

We are given the amount of hydrochloric acid to be produced in the reaction. This value will be the starting point for the calculations.We do as follows:

.0525 L HCl ( 1 mol / 22.4 L ) ( 1 mol MnCl2 / 2 mol HCl ) (125.84 g / 1 mol ) = 0.15 g MnCl2
7 0
3 years ago
Hey can someone help me and show work please
Ivahew [28]

Answer: 2.54g

Explanation:

Molar Mass of H2O2 = (2x1) + (2x16) = 34g/mol

1mole (34g) of H2O2 contains 6.02x10^23 molecules

Therefore Xg of H2O2 will contain 4.5x10^22 molecules i.e

Xg of H2O2 = (34x4.5x10^22)/6.02x10^23 = 2.54g

5 0
3 years ago
How many moles are 1.20 x 1025 formula units of calcium iodide?
madam [21]

Answer:

19.9 mol

Explanation:

Use <em>Avogadro’s number</em> to convert formula units of CaI₂ to moles of CaI₂.

1 mol CaI₂ ≡ 6.022 × 10²³ formula units CaI₂

Moles of CaI₂ = 1.20 × 10²⁵ × (1 /6.022 × 10²³)

Moles of CaI₂ = 19.9 mol

6 0
3 years ago
How are mutations different? Provide examples.
Murljashka [212]

Answer:

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3 years ago
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