1. The quantity 0.002875m contains _______ significant figure(s). 2. The quantity 0.2875m contains _______ significant figure(s) 3. The quantity 2.87500 x 10⁴ m contains _______ significant figure(s).

Inorganic Chemistry

Qualitative analysis Solutions

Previous Page 5 of 15 !!! Next Write the atomic symbol for each of the ishtopes described below. (Express your answer as an isotope.) a. Z= 7. A= 14: b. the isotope of iron with 33 neutrons: c. number of protons is 26, number of neutrons is 29:

Inorganic Chemistry

Qualitative analysis Solutions

III O CHEMICAL REACTIONS Recognizing reduction and oxidation Adrianna V For eac mical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced. highlighted atom is being... reaction oxidized reduced neither oxidized nor reduced P4(s)+5 02(9)+6 H20(1) ► 4 H3PO4(aq) o ol. 2 H2S(aq)+O2(g) → 2 S(s)+2 H2O(1) O a O Ar 2 NH3(aq)+H2SO4(aq) → (NH4), SO4(29) o O O o O N2(9)+3 H2(g) → 2 NH3(9) o O O O o O Explanation Check © 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility

Inorganic Chemistry

Qualitative analysis Solutions

Given a 0.01 M solution of the following three weak acids: Acetic acid (CH3COOH) which has Ka = 1.8x10-5, Nitrous acid (HNO2) Ka - 4.6x10-4 and Formic acid (HCOOH), Ka =1.8x10-4. Which solution has the highest hydroxide ion concentration? Formic acid Acetic acid Nitrous Acid All have the same hydroxide ion concentration.