Explanation:
Atomic number , protons and electrons have the same value / their value is same .
But for the neutron there is no specific technique. You have to remember the neutrons of every element
<span>26.35 ml NaOH x (.1650 moles NaOH / 1000 ml ) x (1 mole H2SO4 / 2 moles NaOH) = moles H2SO4 = .002174 moles H2SO4
molarity of H2SO4 = .002174 / .035 L = .06211 M</span>
He is making an alloy and getting rid of impurities.
Answer:
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Explanation:
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Answer:
See explanation for details
Explanation:
ammonium sulfate and barium nitrate Answer
Ba2+(aq) + SO4^2-(aq) ----------> BaSO4(s)
lead(II) nitrate and sodium chloride Answer
Pb2+(aq) + 2Cl-(aq) -----------> PbCl2(s)
copper(II) chloride and sodium hydroxide Answer
Cu2+(aq) + 2OH-(aq) -------------> Cu(OH)2(s)
There can only be a net ionic reaction when a precipitate is formed as the two solutions are mixed together.