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gizmo_the_mogwai [7]

2 years ago

7

How many hours per year does a high school student spend in school? hours per year

1 answer:

ki77a [65]2 years ago

3 0

Answer: 1,260

Explanation: There are about 180 days in a school year. 7 hour school days x 180 about 1,260

i hope this helps

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What is the name of MnO3

vodka [1.7K]

Answer:

MnO3 radical anion. Formula: MnO3- Molecular weight: 102.9368.

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How long does it take for only one eighth of a sample of radon-222 to remain

Alex17521 [72]

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Half life is the time it takes for half of any amount of a radioactive substance to decay into something else.

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In order to dry wet clothes, we spread them on a clothline. This is because (i) spreading increases surface area (ii) clothes be

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Calculate a reasonable amount (mass in g) of your unknown acid to use for a titration. You will want about 30 mL of titrant to g

Vinil7 [7]

Answer:

"0.60 g" is the appropriate solution.

Explanation:

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= 30 ml

Molarity of base,

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As we know,

⇒ $Molarity=\frac{Number \ of \ moles \ of \ base}{Number \ of \ solution}$

On substituting the values, we get

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⇒ $Moles \ of \ acid=\frac{Mass \ of \ acid}{Molar \ mass \ of \ acid}$

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3 years ago