starting with n=g/MM and PV=nRT, detrive the formula for molar mass

starting with n=g/MM and PV=nRT, detrive the formula for molar mass

a 1.00 L sample of gas has a mass of 1.92g at STP. What is the molar mass of the gas?

A company is studying the use of a compound as a potential antifreeze. When 0.243 g of the compound is dissolved in 25.0 g of water, the freezing point of the solution is -0.201 * Celsius. a...

A 0.548 gram sample of a metal, M, reacts completely with sulfuric acid according to: M(s)+H2SO4(aq) -> MSO4(aq)+H2(g) A volume of 253 mL of hydrogen is collected over...

The molar mass of aspirin is 180.16 g/mol. What is the theoretical yield in grams, for the aspirin she theoretically obtained above using 4.02 g of SA? What is the percent yield?

Find the molar mass of PCl3?

The molar mass of salicylic acid (SA) is 138.12 g/mol. How many theoretical mols are there in the 4.02 g of the SA reactant the student started the reaction with?

Assume that 18.4 g of Al react with HCl according to the equation Al(s) + HCl(aq) −→ AlCl3(aq) + H2(g) at STP. How many moles of Al react? Remember to balance the equation first. Answer in...

1.) Elemental phosphorus reacts with chlorine gas according to the equation: P4(s)+6Cl2(g)→4PCl3(l) A reaction mixture initially contains 45.09g P4 and 131.1g Cl2. Once...

Calculate each of the following (a) moles of compound in 0.510 g ammonium bromide _____ mol (b) number of potassium ions in 59.8 g potassium nitrate _____ ions (c)...

what is the mass of the element that i have written above?