Ask a New Question

A sample has a molar mass of 162g/mol. When a

A sample has a molar mass of 162g/mol. When a sample of mass 0.385g was burned , 1.072g of CO2 ,0.307g H2O and 0.068g of
1. 1 answer
2. asked by Marie
3. 521 views
A sample has a molar mass of 162g/mol. When a sample of mass 0.385g was burned , 1.072g of CO2 ,0.307g H2O and 0.068g of
1. 0 answers
2. asked by Marie
3. 595 views
A .405 g sample of gas contains .0050 moles. What is the molar mass of this gas? Please round your answer to the tenths place.I
1. 1 answer
2. asked by bob
3. 504 views
A sample weighing 3.064 g is a mixture of Fe2O3 (molar mass = 159.69) and Al2O3 (molar mass = 101.96).When heat and a stream of
1. 2 answers
2. asked by Chris
3. 5,886 views
An experiment shows that a 114 mL gas sample has a mass of 0.167 g at a pressure of 721 mm Hg and a temperature of 32°C. What
1. 1 answer
2. asked by hannah
3. 460 views
How do I calculate the average Z molar mass, 1/n (Summation) of n*M given this data:(Ave molar mass, mass of sample): (7.5,9.6)
1. 0 answers
2. asked by tom
3. 497 views
A 1.21 g sample of an imaginary gas occupies a volume of 860 mL at 43.0 oC and 113 kPa. Determine the molar mass of the
1. 1 answer
2. 47 views
A 2.36 g sample of an imaginary gas occupies a volume of 890 mL at 39.6 oC and 114 kPa. Determine the molar mass of the
1. 1 answer
2. 48 views
1. Carbon Dioxide gas has a mass of 86.3 grams. If the molar mass of the sample is 44.2 grams, how many moles of CO2 are present
1. 6 answers
2. asked by Anon
3. 668 views
A hydrate of zinc chlorate, Zn(ClO3)2 .xH2O(s) contains 21.5% zinc by mass. Find the value of x.What I've done: Molar mass of
1. 4 answers
2. asked by Anonymous
3. 9,170 views