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Extracting Metals in the Middle of Reactivity Series

Find limiting...

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Find limiting reagent when 12 gm of magnesium is reacted with 32 gm of oxygen to formed magnesium oxide. 2Mg + O² -->2 MgO 12gm. 32gm

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Q. How many grams of magnesium oxide is formed when 4.8 gm of magnesium is combined with 3.2 gm of oxygen?

Q. In an experiment 0.2430 gm of magnesium on burning with oxygen yielded 0.4030 gm of magnesium oxide. In another experiment 0.1820 gm of magnesium on burning with oxygen yielded 0.3020 gm of magnesium oxide. Show that the data explain the law of definite proportions.

2 M g + O_{2} \to 2 M g O

Use the equation above to answer the following question.
If

0.486 g

of magnesium and

6.022 \times 10^{20}

molecules of oxygen react, what mass of magnesium oxide will be formed?

Q. Magnesium and oxygen combine in the ratio of 3 : 2 by mass to form magnesium oxide. What mass of oxygen gas would be required to react completely with 24 g of magnesium?

Q. In a reaction container

132

gm of carbon dioxide and

128

gm of calcium oxide are mixed for the formation of

C a C O_{3}

gas. What is the limiting reagent and how much

C a C O_{3}

is formed in the reaction?

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Extracting Metals in the Middle of Reactivity Series

Standard X Chemistry

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