To measure the mass of a given powdered substance do the following:
1. Zero the weighing balance, that is, put the weigh balance at zero mark.
2. Put an empty weighing paper on the balance and take its reading. Record it as X1.
3. Use spatula to put the powder you want to measure on the weighing paper on the balance. Take your reading and record it as X2.
The mass of the powered is X2 - X1.
Answer:
Concentration of = 1.9 *
Explanation:
Find the provided attachment for solution.
The answer is about 1/2 it rises very sloe
The Kelvin Scale is used, so the answer is temperature :)
Answer:
Na
Explanation:
Cl, S and Na are all in the same period.
The further left an element is in a row of the periodic table, the larger its atomic radius.