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1. ### A gas has a density of 3.17g/L at STP.  What is the gram molecular mass, and what gas is it?

(3.17 g/L) / (22.4 L/mol) = 71.008 g/mol The common gas with a molar mass like that is chlorine (Cl2).

2 Answers · Science & Mathematics · 27/11/2019

2. ### Which of the following arranges the given gases in order of increasing (smallest to largest) density at STP?

I agree with you. At STP, the volume of one mole of gas is 22.4 liters. To calculate the...

2 Answers · Science & Mathematics · 15/11/2019

3. ### Given a 100 gram sample of the following substances, rank them in terms of how much water they would displace. From least to most displaced?

...density of a metal element. https://ptable.com/#Property/Density/STP

2 Answers · Science & Mathematics · 15/09/2019

4. ### Fe(HSO3)3 + 3 HNO2 = Fe(NO2)3 + 3 H2(SO3) How many moles of the two products are obtained with 4.48L of ferrous hydrogen sulphite (gas)?

The coefficients in a balanced equation determine the ratio of the reactants to the moles of products. For the reaction, one mole of ferrous hydrogen sulfite reacts with three moles of ferrous nitrate to produce one mole ferrous nitrite and three...

4 Answers · Science & Mathematics · 15/08/2019

5. ### Given the equation: Zn(s) + 2HCl(aq)---> ZnCl2(aq) + H2(g). How many grams of Zn will be required to produce 5.85L of H2 gas at STP?

(5.85 L H2) / (22.414 L/mol) x (1 mol Zn / 1 mol H2) x (65.380 g Zn/mol) = 17.1 g Zn

1 Answers · Science & Mathematics · 06/08/2019

6. ### Chemistry question?

P4(s) + 12 HCl(aq) → 4 PH3(g) + 6 Cl2(g) (20.0 g P4) / (123.895 g P4/mol) = 0.161427 mol P4 (5.000 L) x (7.225 mol HCl/L) = 36.125 mol HCl 0.161427 mole of P4 would react completely with 0.161427 x (12/1) = 1.937124 moles of...

2 Answers · Science & Mathematics · 29/07/2019

7. ### Chemistry problem?

I'd set it up like this .. 704L H2O @STP.. .... 1 mol H2O.. ... . ... .. . 2 mol NH3.. .. .. 17.04g NH3...

2 Answers · Science & Mathematics · 29/07/2019

8. ### What is the mass of CH4 in a sample that occupies a volume of 16.5 L at STP?

(16.5 L) / (22.414 L/mol) x (16.0425 g CH4/mol) = 11.8 g CH4

3 Answers · Science & Mathematics · 15/07/2019

9. ### Chemistry questions Help!!?

P1 / T1 = P2 / T2 Be sure to convert deg C to K for gas problems. P1 * V1 / T1 = P2 * V2 / T2 same warning as above. You get to do the math.

1 Answers · Science & Mathematics · 07/07/2019

10. ### The volume of one mole of krypton at STP is?

22.4 liters

1 Answers · Science & Mathematics · 08/07/2019