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...@ / 1 mol C3H8)*3.9 moles propane = 11.7 mol At

**STP**, 1 mole any gas will occupy 22.4 L volume of CO2, at**STP**, will...2 Answers · Science & Mathematics · 21/11/2020

CaC2 + 2 H2O → C2H2 + Ca(OH)2 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O If there is 15% impurities, then the fraction of pure CaC2 is 85%. Supposing these percentages to be by mass...

1 Answers · Science & Mathematics · 22/11/2020

At

**STP**, 1 mol of gas occupies 22.4 L. So, 4 L X (1...1 Answers · Science & Mathematics · 18/11/2020

a) n = PV / RT = (795 mmHg) x (155 L) / ((62.36367 L mmHg/K mol) x (435 + 273) K) = 2.7908 mol H2 (2.7908 mol H2) x (2 mol TiCl4 / 1 mol H2) x (189.679 g TiCl4/mol) = 1060 g TiCl4 b) (2.7908 mol H2) x (2...

1 Answers · Science & Mathematics · 16/11/2020

Convert the % of each element to grams For example, a molecule has a molecular weight of 180.18 g/mol. It is found to contain 40.00% carbon, 6.72% hydrogen and 53.28% oxygen. Convert the percentages to grams. 40.00 grams of carbon...

1 Answers · Science & Mathematics · 11/11/2020

... 70.9 g/mol = 29.7 g Cl2 To calculate the volume of gas at

**STP**, you can either calculate it using:P1V1/T1 = P2V2/...1 Answers · Science & Mathematics · 27/10/2020

Assuming

**STP**=== 1.7 x 10^242 Answers · Science & Mathematics · 18/10/2020

The molar volume is the same for all gases. So the density depends only on the molar mass. Answer D) shows the gases in order of increasing molar mass, so they are also in order of increasing density.

1 Answers · Science & Mathematics · 18/10/2020

... NO2. This has a formula mass of 46 g/mol At

**STP**, 1 mol of any gas occupies a volume of 22.4 L. So, 0.974...1 Answers · Science & Mathematics · 17/10/2020

5) They all contain the same number of molecules

1 Answers · Science & Mathematics · 09/10/2020

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