The SS EDUCATION HUB

By SS EDUCATION HUB Periodic Table of Elements Elements Table Atomic Number Symbol Atomic Mass (rounded) State at STP 1 H 1 Gas 2 He 4 Gas 3 Li 7 Solid 4 Be 9 Solid 5 B 11 Solid 6 C 12 Solid 7 N 14 Gas 8 O 16 Gas 9 F 19 Gas 10 Ne ...

The SS EDUCATION HUB Providing you new numericals based on mole concept.    100+ questions ------------------------------------------------------------------- Numericals based on mole concept  1.Calculate the molar mass of sulfuric acid (H2SO4). 2.How many moles are there in 45 grams of calcium carbonate (CaCO3)? 3.Determine the number of molecules in 2 moles of carbon dioxide (CO2). 4.If you have 0.5 moles of sodium chloride (NaCl), how many grams do you have? 5.What is the molar mass of nitrogen gas (N2)? 6.If you have 3 moles of methane (CH4), how many hydrogen atoms are present? 7.Calculate the mass of 0.25 moles of iron (Fe). 8.How many moles of oxygen (O2) are required to react completely with 4 moles of hydrogen (H2) according to the balanced equation 2H2 + O2 → 2H2O? 9.Determine the mass of 2 moles of sulfur (S). 10.In a chemical reaction, 2 moles of A react with 3 moles of B to produce 1 mole of C. If you have 4 moles of A and an excess of B, how many moles of C ...