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What does atomic mass number tell us?
Type your answer here..The Atomic Mass Unit tells us that ,How heavy a substance as compare to the other.
5 ng per microlitre is how many ppm?
You need to tell us what substance you want to convert.So we can calculate the molar mass.
What do valance electrons tell us about atoms?
they tell us if the substance is stable or not
What does the formula of a substance tell you?
The formula of a substance(element or compound) tells us the number of molecules in the in the substance(element or compound).
What does the pH of a solution tell us?
how acidic or alkaline the substance is
What does the molar mass of an element or compound tell you?
How many grams of the substance are in a mole of the substance. The molar mass of Carbon, for example, is 12 g/mol. This means that every 6.02*10^23 atoms mass 12 grams.
How do you calculate the density of a substance?
Density is the mass of a substance divided by the volume of that same mass of substance.
Mass by difference?
mass by difference is an indirect way to find the mass of an object. For example, if you know the mass of a 'beaker and the substance in it' and the 'mass of the beaker', you can determine the mass of the substance by subtracting (mass of beaker + substance) - (mass of beaker)
When you divide the mass of a substance by its volume you get its what?
When we divide the mass of a substance by its volume we get its density.
What do indicators tell us?
Indicators are used to tell a person whether or not a chemical is present or what pH a substance may be. Usually an indicator is a strip that is dipped into the substance and will change color based on the presence of a substance or pH.
Why is mass imp?
because mass is the total amount of quantity of a substance. mass helps to retain the substance
When you divide the mass of a substance by it volume you get what?
When we divide the mass of a substance by its volume we get its density.
