During a lab experiment with magnesium and hydrochloric acid, curious carl observed bubbles being produced. he identified the gas as being hydrogen. the formula is: mg + 2hcl → mgcl2 + h2(g) - what is the mass in grams of two moles of hcl?

a. 18.3 g

b. 36.5 g

c. 73.0 g

d. 82.6 g

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.