darkophina darkophina

30-09-2022
Chemistry

Answered

the zinc in a 1.441g sample of foot powder was precipitated as znnh4po4. strong heating of the precipitate yielded 0.4089 g zn2p2o7. calculate the mass percent of zinc in sample of foot powder

Answer :

Other Questions

A sample of dna was incorrectly collected and sealed in a plastic container. What is likely to impact the integrity of the evidence based on this storage method

A sample of dna was incorrectly collected and sealed in a plastic container. What is likely to impact the integrity of the evidence based on this storage method

VERY URGENT - 100 POINTS The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns,

In an experiment, each of the metals were heated in boiling water (100oC), and then placed in a calorimeter containing 50.0g of water. Calculate iron's change i

Question 1 (1 point) How is atomic mass calculated? O a Ob Oc Od Since the atomic mass is calculated as the sum of protons and neutrons, it is measured in amu.

Compare the titration of a strong, monoprotic acid with a strong base to the titration of a weak, monoprotic acid with a strong base. Assume the strong and weak

What is the molecular weight of the product of the reaction between anthracene and maleic anhydride given that diels-alder reactions have 100% atom economy? ans

How would I find the mass of the statue? Is it conversions or just basic math?

PLEASE HELP. Practice Problems 1. Which of the four samples had the highest density? The lowest density? 2. What effect does size or shape have on density of t

Calculate the energy absorbed when 12g of liquid water raises from 55°C to 100.0°C and then boils at 100.0°C. (Specific Heat Capacity of water is 4.20 j/g°C)