239.0 g/mol
Add the mass of each individual atom
Answer:
Here^
Explanation:
The matter starts heating, up as if it's ice , turns into a liquid.
The higher the degree of ionization, the stronger the conductivity
→
undergo a double replacement reaction and form a white, solid substance. Hence, option B is correct.
<h3>What is a double replacement reaction?</h3>
A double replacement reaction is a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
Double-replacement reactions generally occur between substances in aqueous solution. In order for a reaction to occur, one of the products is usually a solid precipitate, a gas, or a molecular compound such as water.
→
undergo a double replacement reaction and form a white, solid substance.
Hence, option B is correct.
Learn more about the double replacement reaction here:
brainly.com/question/19267538
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Answer:
250ml
Explanation:
call it V
V*0.2=0.05 (moles)
so V=0.05/0.2 = 0.25l = 250ml