Chemistry OCR As level Chemistry OCR AS level Questions... :D 4.0 / 5 based on 9 ratings ? ChemistryASOCR Created by: James McJannettCreated on: 12-11-11 15:43 What is Avogadro Constant? 6.002214179x10^23 1 of 14 What is the Mr for H20 18 2 of 14 1.00 mole of C atoms has a mass of 12.00g? True 3 of 14 2.00 mole of C atoms has a mass of 24.00g? True 4 of 14 Moles in Gases: n=V(In Cm3)/24000 ? Yes 5 of 14 Moles in Solution: n= C x 1000/V ? No 6 of 14 What is the Atomic number? The number of Protons in the Nucleus? 7 of 14 How do you work out the Mass Number? Protons + Neutrons? 8 of 14 For an Isotope, is the Relative Isoptopic Mass the same as the Mass Number? Yes 9 of 14 Why is the Empirical Formula used? Because it is the Simplest way to show a formula? 10 of 14 What is the State symbol for Aqueous? (aq) 11 of 14 What is the State symbol for an Orange? It Doesn't have one.. 12 of 14 An Acid is.......? A Proton Donor. 13 of 14 What is the formula for Sulfuric Acid? H2SO4 14 of 14
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