Answer:
Ammonium carbonate is a neutral molecule. Charge on NH4 is +1 , so on (NH4)2 is +2 ( +1 * 2) ,lets take the charge on C to be x and O is -2 , so on O3 is -6 (3*-2). Therefore x= + 4. Hope it helps.
Explanation:
Answer:
Chemical I would assume.
Explanation:
This is because drugs have chemicals in them.
Answer : The number of moles of NaCl present in a solution are, 1.07 moles.
Explanation : Given,
Molarity of = 8.59 M
Volume of solution = 125 mL = 0.125 L (1L = 1000 mL)
Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.
Formula used :
Now put all the given values in this formula, we get:
Therefore, the number of moles of NaCl present in a solution are, 1.07 moles.
Answer:
B
Explanation:
physical changes do not change the chemical or molecular make up if a substance