*10.111 A student collected 18.45 mL of H 2 over water at 24 °C . The water level inside the collection apparatus was 8.5 cm higher than the water level outside. The barometric pressure was 746 torr. How many grams of zinc had to react with HCl( a q ) to produce the H 2 that was collected?
*10.111 A student collected 18.45 mL of H 2 over water at 24 °C . The water level inside the collection apparatus was 8.5 cm higher than the water level outside. The barometric pressure was 746 torr. How many grams of zinc had to react with HCl( a q ) to produce the H 2 that was collected?
*10.111 A student collected 18.45 mL of
H
2
over water at
24 °C
. The water level inside the collection apparatus was 8.5 cm higher than the water level outside. The barometric pressure was 746 torr. How many grams of zinc had to react with
HCl(
a
q
)
to produce the
H
2
that was collected?
Using Pauling electronegativity values and a Ketelaar triangle, what type of compound is brass, a CuZn alloy?
Group of answer choices
metallic
ionic
covalent
Challenging samples: 1. Metal complexes with low volatility are often difficult to analyze when performing atomic absorption measurements because the atomization efficiency is reduced to unacceptably low levels. Devise a strategy or strategies for eliminating the problem of a non-volatile metal complex? Explain how you would do that.
2. Devise a strategy to overcome unwanted ionization of the analyte? Explain what it would be.
3. Devise a general method that can be used to account for the presence of unknown matrix effects.
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
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