# Short-Questions

Fast solutions for complex problems

25

## How do you find the mass of hexane?

. In hexane there are six carbon and fourteen hydrogen. Molar mass of hexane = Molar mass of carbon + molar mass of hydrogen.

### What is the mass of co2?

44.01 g/mol
Carbon dioxide/Molar mass

#### What is the mass of water?

18.01528 g/mol
Water/Molar mass

What is the formula mass of benzene?

78.11 g/mol
Benzene/Molar mass

What is the mass of HBR?

80.91 g/mol
Hydrogen bromide/Molar mass

## Do CO and CO2 have the same mass?

The molecular weight of CO is 28.01, where the molecular weight of CO2 is 44.1. This means that the CO2 gas is much more dense than CO. CO2 will collect near floor level while CO will collect closer to the ceiling.

### Where is carbon dioxide in nature?

Because carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, ice caps, glaciers and seawater. It is present in deposits of petroleum and natural gas. Carbon dioxide has a sharp and acidic odor and generates the taste of soda water in the mouth.

#### How do we identify a water mass?

Water masses are identified by their temperature, salinity, and other properties such as nutrients or oxygen content. They have exclusive occupation of an oceanic region only in their formation region; elsewhere they share the ocean with other water masses with which they mix.

What is the mass of 1 gram of water?

18.02 g/mol
The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.

Is mass in grams or kilograms?

The Metric System of Measurements uses the mass units: gram (g), kilogram (kg) and tonne (t)….Mass (weight) Units.

1 gigatonne (Gt) =1 000 000 000 000 000 g
1 kilogram (kg) =1 000 g
1 gram (g) =1 g
1 milligram (mg) =0.001 g
1 microgram (µg) =0.000 001 g

## How do you find the mass of a sample?

The molar mass is the mass of one mole of a sample. To find the molar mass, add the atomic masses (atomic weights) of all of the atoms in the molecule. Find the atomic mass for each element by using the mass given in the Periodic Table or table of atomic weights.

### What is the formula weight of hexane?

molecular weight of Hexane or grams. The molecular formula for Hexane is C6H14. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Hexane, or 86.17536 grams.

#### How to determine heptane’s molar mass?

To determine the molar mass of Heptane, we must add up the atomic mass of each atom that makes up heptane. The chemical composition of heptane is C7H16. This means there are 7 carbon atoms and 16 hydrogen atoms. Tha atomic weight of each atom can be found on most periodic tables, many of which are accessible online.

What is the Denisty of hexane?

Chemistry Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C.