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What is the approximate mass of an atom that has 10 electrons, 10 protons, and 9 neutrons?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
Which two elements are present in this mixture?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
Which numerical setup can be used to determine the atomic mass of bromine?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
What is a chemical name of the compound CuS?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
Based on Table G, which sample, when added to 100. grams of water and thoroughly stirred, produces a heterogeneous mixture at 20.°C?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
How many milliliters of 1 M HCl(aq) must be diluted with water to make exactly 500 mL of 0.1 M HCl(aq)?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
Which types of matter are represented by X and Z in the diagram?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
An atom of which element bonds with an atom of hydrogen to form the most polar bond?
100 mL
copper(I) sulfide
iodine
G and E
X is element, and Z is compound.
(80.92 u)(50.69) + (78.92 u)(49.31)
20. u
20. g of KI
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