What mass of oxygen will react with 10.5g of ethane according to the following reaction? 2 c2h6 + 7 o2 = 4 co2 + 6 h2o what mass of carbon will react with 15.7g of iron(iii)oxide according to the following reaction? 2fe2o3 + 3c = 4fe + 3co2 what mass of iron(iii) oxide is required to produce 16.4g of iron? 2fe2o3 + 3c → 4fe + 3co2 what mass of oxygen will react with 17.5 g of aluminum according to the following reaction? 4 al + 3 o2 → 2 al2o3 what mass of sodium nitride is required to produce 15.1g of nitrogen? 2na3n → n2 + 6na

For every question, you simply have to use the molar ratio method.

First find the mole of one substance using the formula, Moles=Mass/Mr.

Now compare them and find the moles of the substance whose mass you need using molar ratio. Use the formula written above to find the theoretical Mass required for reaction.

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?