subject
Chemistry, 09.06.2021 14:00 texassaint797

A student weighed 100g of salt hydrate (salt. x H2O). When heated 30.6g of water was evaporated. (The molar mass of the anhydrous salt is 245g/mol and the molar mass of water 18g/mol). How many moles of water are evaporated?
Calculate the moles of anhydrous salt.
What is the ratio (x) of moles of water to the moles of the anhydrous?
What is the formula of the salt?

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 15:30
Which mathematical relationship should you us to convert moles of a substance into grams
Answers: 1
question
Chemistry, 22.06.2019 05:00
If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax
Answers: 1
question
Chemistry, 22.06.2019 07:00
How far is the region from the equator or control climate
Answers: 1
question
Chemistry, 22.06.2019 21:50
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
You know the right answer?
A student weighed 100g of salt hydrate (salt. x H2O). When heated 30.6g of water was evaporated. (Th...
Questions
question
Mathematics, 22.01.2021 21:20
question
Mathematics, 22.01.2021 21:20
Questions on the website: 13722363