Moles Questions and Answers

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3 answers

How to calculate molarity of a titer

asked Sep 2, 2021 in Chemistry Form 3 by underground

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1 answer

During heating of hydrated copper (II) sulphate crystals, the following readings were obtained:-

asked Jul 27, 2021 in Chemistry Form 3 by anonymous

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1 answer

A solution contains 5.3g of X2CO3 in 500 cm3 of solution. 25.0 cm3 of this solution required 20.0 cm3 of 0.25M hydrochloric acid for complete neutralization. The equation for the reaction is;

asked Jul 5, 2021 in Chemistry Form 3 by anonymous

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1 answer

Study the following equilibrium equation.

asked Jul 5, 2021 in Chemistry Form 4 by anonymous

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1 answer

Complete combustion of one mole of an alkanol, CxHyOH gave four moles of water. (C= 12.0, H = 1.0, O = 16.0)

asked Jun 22, 2021 in Chemistry Form 3 by anony mous

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1 answer

A factory uses 100 kg of ammonia each day to produce 160 kg of nitrogen(II) oxide. Calculate the percentage yield of nitrogen(II) oxide.

asked Jun 21, 2021 in Chemistry Form 3 by anonymous

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2 answers

Methane reacts with bromine as shown in the following equation. CH4(g) + Br2(g) → CH3Br(g) + HBr(g) Using the bond energies in the Table, calculate the enthalpy change, ΔH for the reaction.

asked Jun 21, 2021 in Chemistry Form 4 by anony mous

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