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explain why barium sulfate is used in barium meals despite being toxic

barium sulfate is insoluble
SS
Answered by Sagar S. • Chemistry tutor
5195 Views

What is the difference between moles and molar?

Lets start with what a concentration is. Concentration is the amount of something in a volume. For example, 1 gram of sugar in one litre of water is 1 gram per litre. This can be written as 1g/L (the divisio...
BR
Answered by Ben R. • Chemistry tutor
61146 Views

What is the difference between an ionic lattice and a metallic lattice?

Many elements readily form ions because their electron configurations are more stable if electrons are added or removed, usually in order to ensure that the outermost shell is a full octet. An ionic compound...
AL
Answered by Adam L. • Chemistry tutor
28936 Views

Why do metals conduct electricity?

To answer this question we need to think about the bonding that occurs within metals. Metallic elements form strong lattices due to the metallic bonding. This consists of a lattice of positive metal atoms. T...
AM
Answered by Alex M. • Chemistry tutor
18987 Views

Balance the chemical equation: AgI + Na2S → Ag2S + NaI

2 AgI + 1 Na 2 S → 1 Ag 2 S + 2 NaI Both sides of the equation need to have the same number of each element. We need to make sure that the amount of one element we have on one side of the equation is the sam...
MS
Answered by Mohamed S. • Chemistry tutor
27055 Views