A sample of MgCO, is 50% pure. If on heating 4.0 g of MgO and 4.4 g of CO, are formed, calculate the amount of MgCo, taken. question is also given in photo. Please give the answer fast.
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A sample of MgCO, is 50% pure. If on heating 4.0 g of MgO and 4.4 g of CO, are formed, calculate the amount of MgCo, taken. question is also given in photo. Please give the answer fast.
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Answer:
MgCO3 = MgO + CO2
84g 40g 44g
4g 4.4g
100 g MgCO3 contains = 50 g MgCO3
84 g MgCO3 contains = 42 g MgCO3
Now
40g MgO produced by = 42 g MgCO3
4 g MgO produced by =4.2 g MgCO3
so ,the amount of MgCO3 taken is 4.2 g
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