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From the balanced equation it can be seen that it takes 2 moles KOH to react with each 1 mole of MgCl2. So, the answer is 2.
MgCl2 + 2KOH ==> Mg(OH)2 + 2KCl1 mole MgCl2 reacts with 2 moles KOH 2 moles KOH x 56.1 g/mole = 112.2 g KOH = 100 g KOH (to 1 significant figure based on 1 mole)
Yes, MgCl2 will react with acid to form magnesium chloride and release hydrogen gas. The reaction can be summarized as: MgCl2 + 2HCl -> MgCl2 + H2↑.
The chemical equation for the reaction between magnesium and hydrochloric acid is: Mg + 2HCl -> MgCl2 + H2. To find the moles of magnesium chloride produced, first calculate the moles of magnesium reacting using its molar mass. Then, since the ratio between magnesium and magnesium chloride is 1:1, the number of moles of magnesium chloride produced will be the same as the moles of magnesium reacting.
The chemical reaction is:2 Mg + O2 = 2 MgO
From the balanced equation it can be seen that it takes 2 moles KOH to react with each 1 mole of MgCl2. So, the answer is 2.
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MgCl2 + 2KOH ==> Mg(OH)2 + 2KCl1 mole MgCl2 reacts with 2 moles KOH 2 moles KOH x 56.1 g/mole = 112.2 g KOH = 100 g KOH (to 1 significant figure based on 1 mole)
MgCl2 + 2KOH ==> Mg(OH)2 + 2KCl1 mole MgCl2 reacts with 2 moles KOH 2 moles KOH x 56.1 g/mole = 112.2 g KOH = 100 g KOH (to 1 significant figure based on 1 mole)
These compounds will not react. They both contain the same anion, and thus there can be no reaction between them. Consequently, the reactants will remain unchanged.
Potassium chloride and magnesium nitrate doesn't react.
1.5 moles of O2 react with 2 moles of Al 2Al + 1.5 O2 = Al2O3.
Al+HCl===> AlCl3+H2 Is the reaction. You need &.2 moles of HCl.
The chemical reaction is:2 Mg + O2 = 2 MgO
After the reaction is complete, all of the calcium will react with 3.165 mol (since calcium and oxygen react in a 1:1 ratio) of the oxygen gas. This means that there will be 4.00 mol - 3.165 mol = 0.835 mol of oxygen gas left over.
I assume you mean this reaction. Zn + 2HCl --> ZnCl2 + H2 2.3 moles zinc (2 moles HCl/1 mole Zn) = 4.6 moles hydrochloric acid needed ========================