Answer:
d.
Explanation:
It is a force that occurs when surfaces touch each other.
Answer: Its option "A" Both A and R are true and R is the correct explanation of A.
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Answer:
(A) A ball sitting on the ground
Explanation:
The stoichiometric ratio of CuCl2 to NaCl is 1 is to 2. The stoichiometric ratio of 31.0 g CuCl2 is 26.95 grams of NaCl by converting the amount of CuCl2 to mole and multiplying by 0.5 and molar mass of NaCl.This amount is equal to 78.65% yield.