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3 years ago

Select the compound in which chlorine is assigned the oxidation number +5

Chemistry

1 answer:

IrinaK [193]3 years ago

5 0

Answer:

The answer is NaClO3

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0.74 mol = ___ atoms<br><br>fill in the blank

uysha [10]

To convert from moles to atoms you times the number of mols by Avogadro's number (6.022×10²³)

0.74 × 6.022×10²³ = 4.45628×10²³

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3 years ago

Celina has a water sample that’s contaminated with salt and microorganisms. Which method should she use to purify the water?

Alik [6]

B) filtration
(hope this helps) ~A

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3 years ago

Read 2 more answers

What is the molarity of a solution which contains 0.80 mol of HCl in 250mL of<br> solution?

mariarad [96]

Answer:

3.2M HCl Solution

Explanation:

Molarity = moles of solute / volume of solution expressed in liters

moles of solute = 0.80 moles HCl

volume of solution = 250 ml = 0.250 Liter

Molarity (M) = 0.80 moles HCl / 0.250 Liters = 3.2M HCl Solution

6 0

3 years ago

PLZ HELP!! ILL MARK BRAINLIEST!! What claim do ghost hunters make about energy-detecting devices? They can determine how many sp

Nonamiya [84]

Answer:

[See Below]

Explanation:

I mean they say all those things , but if it has to do with just the device I'm guessing it'd most likely be They can sense the presence of spiritual energy since they claim it's the device they are using to tell them if there is something there they can't see.

3 0

3 years ago

Determine the molar mass of a 0.314-gram sample of gas having a volume of 1.6 l at 287 k and 0.92 atm. show your work.

Olenka [21]

As per Ideal gas equation, molar mass of the gas is 5.032 g/mo

We’ll begin by calculating the number of mole of the gas. This can be obtained as follow:

Volume (V) = 1.6 L

Temperature (T) = 287 K

Pressure (P) = 0.92 atm

Gas constant (R) = 0.0821 atm.L/Kmol

Number of mole (n) =?

According to Ideal gas equation , PV = nRT

0.92 × 1.6 = n × 0.0821 × 287

1.472 = n × 23.5627

Divide by 23.5627

n = 1.176 / 23.5627

n = 0.0624 mole

Finally, we shall determine the molar mass of the gas. This can be obtained as follow:

Mass of gas = 0.314 g

Number of mole = 0.0624 mole

Mole = $\frac{mass}{molar mass}$

0.0624 = $\frac{0.314}{molar mass}$

Cross multiply

0.0624 × molar mass of gas = 0.314

Divide by 0.0624

Molar mass of gas = $\frac{0.314}{0.0624}$

Molar mass of gas = 5.032 g/mo

Therefore the Molar mass of gas is 5.032 g/mo

Learn more about Ideal gas equation here:

brainly.com/question/3637553

#SPJ1

8 0

2 years ago