Re: How do you calculate the molar mass? « Reply #3 on: February 18, 2008, 01:18:53 PM » you have 8 parts of H20, the molar mass of H20 is 18, simply multiply 8 with 18 and add to the rest of the mass «
The reaction is: N_2 + 3H_ 2 to 2NH_3 In the following stoichiometry problem, How does 4.5 moles of H2O cancel out 2 moles of H20 once the problem is set up? How many moles of O2 is used when 4.5 moles of water is produced according to ...
Calculate the specific heat capacity of the unknown metal in J/xK. [ U n k n o w n m e t a l ] i. Mass of metal: 33.996g ii. Temp of boiling water: 98.0 C iii. volume of water in cup: 50 mL iv.Te How do I calculate the joules needed to heat 17 g of water from 22...
Using the following equation for the combustion of octane, calculate the amount of moles of oxygen that reacts with 100.0 g of octane. The molar mass of octane is 114.33 g/mole. The molar mass of carbon dioxide is 44.0095 g/mole. 2C_8H_{18} + ...
How do you calculate mole fraction of solute? How to find how many moles are in a solution Define stoichiometry What is the relationship between moles and grams? Explain how to identify the mole ratio in a balanced chemical equation. Provide an example. What is the molar mass, in grams, ...
We require two details to calculate the number n of moles of water in the sample. Here are the quantities and the sources. the mass of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts...
Heat Capacity | Definition, Formula & Examples from Chapter 4 / Lesson 9 43K See the heat capacity definition and symbol. View examples to learn how to use the heat capacity formula to calculate the heat capacity of a substance. Related to this QuestionHow...
H2SO4 + 2NaOH reacts to NaSO4 + 2H2O. How many grams of H2SO4 are needed to react with 20g of NaOH? What is the molar mass of sulfuric acid? How many grams are in 2.4 moles of sulfur? What is H2so4's molecular weight? Calculate the molarity of a solution containing 10.0 gram...
In the following stoichiometry problem, How does 4.5 moles of H2O cancel out 2 moles of H20 once the problem is set up? How many moles of O2 is used when 4.5 moles of water is produced according to t How to calculate number of ions from moles Explain how to dete...
The answer to your question lies in the fact that HCN is a weak acid so that an equilibrium is established as follows: HCN --- CN- + H+ Being a reversible reaction that can attain equilibrium, addition of a base will cause removal of H+ (or reaction between H+ a...