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A-level Chemistry Year 1
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In the chemical equation shown below the stoichiometric numbers (balancing numbers) have been replaced with letters. What is the value of each letter if the lowest whole number ratio is used to balance the equation?
(In practice, where the balancing number =1, this would be implied rather than shown. For this activity if the balancing number is 1, input 1)
xP + yO2 → zP2O5
Which one of the following is the correct formula of Magnesium hydroxide?
In the chemical equation shown below the stoichiometric numbers (balancing numbers) have been replaced with letters. What is the value of each letter if the lowest whole number ratio is used to balance the equation?
(In practice, where the balancing number =1, this would be implied rather than shown. For this activity if the balancing number is 1, input 1)
wNaCl + xF2 → yNaF + zCl2
In the chemical equation shown below the stoichiometric numbers (balancing numbers) have been replaced with letters. What is the value of each letter if the lowest whole number ratio is used to balance the equation?
(In practice, where the balancing number =1, this would be implied rather than shown. For this activity if the balancing number is 1, input 1)
xKClO3 → yKCl + zO2
Elements in group 13 form ions with which charge?