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lapo4ka [179]
2 years ago
11

The aftermath of a hurricane demonstrated here is called a

Chemistry
1 answer:
Greeley [361]2 years ago
3 0
I think the answer is C. Runoff hopefully this helps
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A chemist prepares a solution of silver perchlorate by measuring out of silver perchlorate into a volumetric flask and filling t
djverab [1.8K]

Complete Question:

A chemist prepares a solution of silver (I) perchlorate (AgCIO4) by measuring out 134.g of silver (I) perchlorate into a 50.ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the silver (I) perchlorate solution. Round your answer to 2 significant digits.

Answer:

13 mol/L

Explanation:

The concentration in mol/L is the molarity of the solution and indicates how much moles have in 1 L of it. So, the molarity (M) is the number of moles (n) divided by the volume (V) in L:

M = n/V

The number of moles is the mass (m) divided by the molar mass (MM). The molar mass of silver(I) perchlorate is 207.319 g/mol, so:

n = 134/207.319

n = 0.646 mol

So, for a volume of 50 mL (0.05 L), the concentration is:

M = 0.646/0.05

M = 12.92 mol/L

Rounded to 2 significant digits, M = 13 mol/L

7 0
3 years ago
List the number of significant figures for the following numbers:
Dennis_Churaev [7]

Answer:

a) 2

b) 1

c( 1

d( 4

according to the picture

3 0
3 years ago
A Lewis structure is a two-dimensional representation of a molecule that does not necessarily show what shape that molecule woul
Dmitry [639]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The bond angle is 104.48⁰

Explanation:

The explanation is shown on the second uploaded image

4 0
3 years ago
Part A A compass contains a magnet. The magnet responds to Earth's magnetic field. The magnet's north pole points north from mos
valentina_108 [34]

Answer:

The Earth's magnetic field intensity is roughly between 25,000 - 65,000 north magnetic pole is 86.50°N and 164.04°E and the south magnetic pole is 64.07°S and 135.88°E

7 0
2 years ago
Write the formula for potassium nitride? <br> (show work)<br> CAN SOMEONE PLEASE HELP?
ohaa [14]

Answer:

It should b KNO3

Explanation:

one Potassium (K) and three Nitrite (NO3)

8 0
2 years ago
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