<span>Total mass = 3.64 + 2.87 + 4.13 = 10.64 g
Mass percent of NH4Cl = (mass of NH4Cl/ Total mass) x 100 = (2.87 g/10.64g) x 100 = 27.0 % mass of NH4Cl</span>
Hydrogen
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Acids always dissociate in water, which causes the production of hydrogen ions. Not all necessarily <em>start</em> with hydrogen, but most do and all contain.
Solid substances cannot raise to the top of the ‘card’. They need to be in liquid form.
Answer:
I think its B
Explanation:
because a energy that occurs is thermal energy
Answer:
0.15 M
Explanation:
14.6/46.07g/mol = 0.316 mol Ethanol.
0.316/2.1= 0.15 M