Mg gained mass because it went from being a single element (on the reactant side) to being a molecule (on the product side).
Answer:
NaNO2 is the formula for sodium nitrite
Explanation:
Check the selected ions chart to find out more in depth.
Answer:
True
Explanation:
Sometimes you will need to convert from grams to moles, or moles to grams
No, this item is not made of pure silver because if it has been made from pure silver that it would have displaced only 1.16cm³ of water but due to the addition of some other low-density element it displaces 1.9cm³ of water.
<u>For pure silver</u>
density of pure silver is = 10.49 g/cm³
mass of silver = 12.2 gram
since, density = mass/volume
volume = mass/density
= 12.2/10.49 cm³
= 1.16 cm³
But the actual displaced water is <u>1.9cm³</u>, which means some other element of lower density has been added.
Therefore, it is clear that the given jewelry is not made of pure silver.
Learn more about silver here:-brainly.com/question/17086277
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the correct scientist is rutherford
