1.) Write the correct coefficient for K(OH) in the box when the equation is balanced.
_Al2(SO4)3(aq) + __K(OH) (aq) → _Al(OH)3(aq) + _K2(SO4) (aq)
2.) When Ca(OH)2 reacts with HNO3 we get H(OH) and Ca(NO3) and Ca(No3)2 as products
3.) Consider the reaction of sodium and water below and select all the correct statement about it.(More than 1 answer).
2Na(s)+2H2O(l) ->2NaOH(aq)+H2(g)
A) mass is conserved throughout the reaction
B) there are more hydrogen atoms in the reactants than in the products
C) there are as many atoms in the reactants as there are in the products
D) there are more sodium atoms in the reactants than in the products
4.) The balanced chemical equation bellow shows the decomposition of water into hydrogen and oxygen gas
2H2O(l) -> O2(g)+2H2(g)
Part a
-how many atoms are in the reactants
Part B
-how many atoms are in the products
Answers: 1
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1.) Write the correct coefficient for K(OH) in the box when the equation is balanced.
_Al2(SO4...
_Al2(SO4...
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