That would be gold, which originally in Latin was aurum, which has the chemical symbol Au. Hope this helps!
The species which gives OH⁻ ion is known as Arrhenius base.
<h3>What are
Arrhenius bases?</h3>
Arrhenius bases are those species which are giving hydroxide ion (OH⁻) in an aqueous solution.
Properties of Arrhenius bases are:
- They are bitter in taste.
- Converts red litmus paper to blue color.
- Have pH value in the range of 7.1 to 14.
Examples of Arrhenius bases are sodium hydroxide (NaOH), potassium hydroxide (KOH), etc.
Hence, Arrhenius bases gives OH⁻ in an aqueous solution and NaOH is an example of this.
To know more about Arrhenius bases, visit the below link:
brainly.com/question/1049247
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<span>1.58x10^-1 moles
To get the number of moles, we simply need to divide by Avogadro's number, which is 6.0221409x10^23. So
9.50x10^22 / 6.0221409x10^23 = ?
Since we're dealing with scientific notation, we will deal with the significand and exponents separately.
To divide, simply divide the significands as you would normally.
9.50 / 6.0221409 = 1.577512077
And subtract the exponent for the divisor from the exponent from the dividend:
22 - 23 = -1
And we now have
1.577512077 x 10^-1 moles.
But that answer has far too many digits given the precision of the data and should only be as precise as the least precise piece of data used. In this problem, we had 8 digits of precision for Avogadro's number and 3 digits of precision for the number of atoms. Of those 2 pieces of data, 3 is the lowest precision and therefore the answer should be rounded to 3 digits, giving 1.58x10^-1 moles.</span>
I think it’s true... hope this helps
