If the mass of an object is 2 g and the volume is
1 answer:
Answer:
<h2>The answer is option A</h2>Explanation:
To find out if the object sink or float in water we must first find the density of the object
From the question
mass of object = 2 g
volume = 4 mL
The density is
We have the answer as
0.5 g/mL
The object will float on water since it's density is less than that of water which is
1.0 g/mL
Hope this helps you
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Answer:
Explanation:
A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.
The equation can be written in terms of ions as:
Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.
The ions which are present on both the sides of the equation are potassium and nitrate ions and hence are not involved in net ionic equation.
Hence, the net ionic equation is :