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Barium chloride in excess is added to be sure that the reaction is complete.
No sodium nitrate is not harmful if added to soap. Sodium nitrate has been used in many products such as fertilizer and it is also added to food as a preservative.
Barium comes from the Greek word "heavy" or barys, Davy added the "ium" to name the heavy element, Barium
SO42-
The reaction is:CaCO3 + H2SO4 = CaSO4 + CO2 + H2O
It becomes Barium Nitrate combined with Silver Chloride
If the sodium sulfate and barium nitrate are both in solution in water, a precipitate of barium sulfate will be formed, because this salt is much less soluble in water than barium nitrate, sodium sulfate, or sodium nitrate.
Sh!t happens.
acids and bases always react to give a salt and some water.
The solution contain ions as: Zn2+, (NO)-3, Ba2+, Cl-. Any reaction.
When you mix the solutions of Sodium Hydroxide and barium chloride then a double replecement occurs.2 NaOH + BaCl2 = 2 NaCl + Ba(OH)2
Barium chloride in excess is added to be sure that the reaction is complete.
When sulphuric acid is added to zinc granules , the gas produced is hydrogen gas. Zinc displaces hydrogen from sulphuric acid.
The appearance of chromium will not change if added to the sodium nitrate since it cannot displace nitrate from the sodium.
No sodium nitrate is not harmful if added to soap. Sodium nitrate has been used in many products such as fertilizer and it is also added to food as a preservative.
Chromium will be reddish brown in appearance if added to sodium nitrate.
Amyl nitrate