Q1) Magnesium sulfate can be obtained from magnesium oxide by the following reaction Mgo H2SO4 MgSO4 H20
a) i) What is the relative formula mass of magnesium oxide, MgO?
ii) What is the relative formula mass of magnesium sulfate, MgSO4?
b) What mass, in grams, of magnesium sulfate could be obtained from 0.8g of magnesium oxide?
c) What mass, in grams, of sulfuric acid would react with 1.2g of magnesium oxide?
Q2)The equation for the reaction between ammonia and heated copper (11) oxide is:
3Cuo 2NH3 3Cu N2 3H20 Calculate the mass of copper which could be produced by the reaction of 10g of ammonia with an excess of copper (11) oxide.
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Answer:
when Mgo reacts with H2SO4
Explanation:
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