How many grams of potassium nitrate (KNO3) are required to prepare 0.250L of a 0.700 M

solution (KNO3 = 101.102 g/mol)

O 12.5 g

O 31.2g

25.38

17.78

Nuclear decay can change one element into another one

Which substance can not be decomposed by a chemical change? A. Ammonia B. Copper C. Propanol D. Water (P. s, tysm)

You can be electrocuted if you try to use water to put out a class_ fire?

When the compound, Ba (C2H3O2) 2, is mixed with water, the Ba (C2H3O2) 2 is: soluble because compounds containing the C2H3O2 - ion are soluble in water insoluble because most compounds containing the C2H3O2 - ion are insoluble in water soluble

Which of the following involves a transfer of electrons? PCl3 + Cl2 → PCl5 CO2 + 2LiOH → Li2CO3 + H2O FeCl2 + 2NaOH → Fe (OH) 2 + 2NaCl NaOH + HCl → NaCl + H2O

How are the physical and chemical properties of atoms represented on the periodic table of elements

how do we know isotopes exist?

Is albinism a dominant or recessive trait

If T = dominant, and t = recessive, what would the genotypes be?

What problem would unlimited cell growth pose for a cell