Answer:
The molarity of this solution is 0.156 M
Explanation:
Step 1: Data given
Mass of Ba(OH)2 = 1.90 grams
Molar mass Ba(OH)2 = 171.34 g/mol
Volume of the solution = 71.1 mL = 0.0711 L
Step 2: Calculate moles Ba(OH)2
Moles Ba(OH)2 = mass Ba(OH)2 / molar mass Ba(OH)2
Moles Ba(OH)2 = 1.90 grams / 171.34 g/mol
Moles Ba(OH)2 = 0.0111 moles
Step 3: Calculate molarity
Molarity solutin = moles Ba(OH)2 / volume solution
Molarity solution = 0.0111 moles / 0.0711 L
Molarity solution = 0.156 M
The molarity of this solution is 0.156 M
The answer is
D. Covalent bond
Hope this helps you have a great day.
If the wavelength of the wave is increased to 10 m, the frequency of the wave will be 60 Hz
<h3>Data obtained from the question </h3>
- Wavelength (λ) = 10 m
- Velocity (v) = 600 m/s
<h3>How to determine the frequency of the wave </h3>
The frequency, wavelength and velocity of a wave are related according to the following equation:
Frequency (f) = velocity (v) / wavelength (λ)
f = v / λ
With the above formula, we can obtain the frequency of the wave as follow
f = v / λ
f = 600 / 10
f = 60 Hz
Learn more about wave:
brainly.com/question/2903713
Answer: I wanna say A but I’m not 100% sure
But I hope this helps at least a little :)