Chemical equivalent of an element is the value obtained by dividing the atomic weight of the given element by its valency. Electrochemical equivalent: Electrochemical equivalent on the other hand, refers to the mass of substance deposited when a current of 1 Ampere is passed for 1 Second during electrolysis. thats the answer when i first saw this i thought it was just one of thos free points with gibberish XD
<h3>Answer:</h3>
2.6 × 10⁻³ g (Or) 0.0026 g
<h3>Data Given;</h3>
Mass of Oxygen = 1.38 × 10⁻³ g
Mass of Silicon = 0.00122 g = 1.22 × 10⁻³ g
<h3>Solution:</h3>
The total weight of grain of sand is calculated by adding the masses of Oxygen and Silicon as,
Total Weight = Mass of Oxygen + Mass of Silicon
Putting values,
Total Weight = 1.38 × 10⁻³ g + 1.22 × 10⁻³ g
Total weight = 2.6 × 10⁻³ g
Or,
Total weight = 0.0026 g
The wrong one is
<span>radioactive half-life is increased by heating the isotope.</span>
Answer:
Explanation:
Amount of silver
= 1.25 x .9 = 1.125
amount of copper = 1.25 x .1 = .125
equivalent weight of silver = 108
gram equivalent of silver in the alloy = 1.125 / 108 = .01041
This will precipitate in the form of copper in equivalent amount of copper
equivalent of copper precipitated = .01041
grm of copper for silver = .01041 x equivalent weight of copper
= .01041 x 63.5 / 2 = .3305 gram
Total copper precipitated
= .125 + .3305
= .4555 gm