Answer:
26.7 mL
Explanation:
M1*V1 = M2*V2
M1 = 12M
V1=?
M2 = 2.5M
V2=128 mL
12M*V1 = 2.5M*128 mL
V1 = 2.5*128/12 mL≈ 26.7 mL
Explanation:
The answer for this question depends on the type of meniscus in the cylinder. If it is an upright meniscus like in water, the reading should be taken at the bottom of the meniscus. However if it is an inverted meniscus like in mercury, the reading should be taken at the top of the meniscus.
(Can you check and see if there's any pictures or information that is missing?)
1: Decomposition reaction
2: Combination reaction
3: product
4: Reactant
Answer:
Explanation: because more is always better
Answer:
3 significant digits
Explanation:
The first 0 don't count (that's the rule in significant digits). So 3,0,0 are left over. Count them and total will be 3 significant digits. (remember the last zero count if there is a decimal but the first zeros doesn't count even with the decimals)
