Name an ion!
Ion with SO42- formula is called...
Sulphate
What does mole stands for
A quantity proportional to the number of elementary entities of a substance.
What is the density of water
1 g/ml
What is the molar mass of Cl2
71 g/mol
What are the 3 states of matter
liquid, solid, gas
Name the next ion
ClO3-
chlorate ion
The number of 6.022 × 10²³ has the name of which scientist
Amedeo Avogadro
what is the formula of mass if we know the density and volume
m=DxV
Density of sulfuric acid is 0,98 g/ml. How many grams of this liquid are in the 545 ml
534.1 ml
How we are finding out the number of electrons in the atom
Atomic nubmer
Spell the hydroxide ion and it's charge
OH-
the total moles on one side of the equation must be equal to the total moles on the other side of the equation
What do we call an STP
Standart Temperature Pressure
What is the molar mass of KMnO4
158 g/mol
What was the goal of our first lab this year?
To find the density
Spell ammonium ion and it's charge
NH4+
Lavoisier discovered the law of conservation of mass the same time as....
Mikhail Lomonosov
22.4 mol/L stands for what?
Molar Volume of the Gas
How many moles are in 3 g of FeSO4
0.019 mol
Name type of reaction that follow the next scheme
A + B --> C
What ions can H3PO4 give us
H2PO4-
HPO42-
PO43-
How are we finding the molar mass of the element
atomic mass in the periodic table
What is the formula for concentration (C) if we know number of moles and volume
C=n/V
How many grams of KMnO4 we need to make 0,5L of solution of concentration of 0.1 mol/L
7.9 g
What indicator we were using during titration
Phenolphthalein