2NaCN(s) + H₂SO₄(aq) --> Na₂SO₄(aq) + 2HCN(g)
The molar ratio between NaCN : HCN is 2:2 or 1:1
Mass of HCN = 16.7 g
Molar mass of HCN = 1 + 12 + 14 = 27 g/mol
Molar mass of NaCN = 49 g/mol
Therefore, the mass of NaCN is
16.7 g of HCN x 49 g/mol of NaCN / 27 g/mol of HCN = 30.3 grams of NaCN
Therefore, 30.3 grams of NaCN gives the lethal dose in the room.
Answer:
18 O, 17 O, and 16 O
Explanation:
three naturally stable isotopes
Answer:
Pecan trees 1 and 4
Explanation:
1: 1 and 4
2a: With good soil and good parent plants
2b: Heredity
Answer:
A
Explanation:
liquids thake the shape of what holds them so shape is changing and volume is the same
