State what is the zn in the mixture

Assignment Help Chemistry
Reference no: EM13179244

If 220 mL of gas were collected from the reaction of 1.250 g of a Zn-KCl mixture, what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)

Reference no: EM13179244

Questions Cloud

Distinctive brain activity-legitimate context : Understanding hypnosis in a terms of focused attention, distinctive brain activity, and the presence of an authoritative presence in a legitimate context, requires an intergrated______ approach
Several large air bubbles entered the graduated cylinder : If several large air bubbles entered the graduated cylinder filled with water when it was inverted into the water trough, what would the effect be on a plot of volume H2(g) vs. mass Mg?
Find derivatives for the following functions : Find derivatives for the following functions
What affects the exchange rate : The complete lung-run model for exchange rate determination posits that changes in the nominal interest rate also affect the exchange rate (E). Recall that the complete model combines the QTM, PPP and the Fisher effect. The simple lung-run version..
State what is the zn in the mixture : what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
Issues of terrorism-globalization and ecological crisis : How do Simone Weil, Mother Teresa of Calcutta, Martin Luther King Jr and Ernest Becker and their philosophical ideas, relate to the issues of terrorism, globalization, and ecological crisis? How can their ideas help us to formulate solutions to the p..
Compute the change in ph of a buffer solution : Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
What are the covered and uncovered interest parity : Explain briefly what the covered interest parity (CIP) and uncovered interest parity (UIP) arbitrage conditions are and how they operate as equilibrium conditions for the spot and futures foreign exchange (FX) markets.
In the forced distribution method and raters : In the forced distribution method, raters?

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the concentration of aqueous ammonia

10M NaF solution is slowly added with stirring, to a solution that contains 10M Ca(NO3)2 and 10M Cr(NO3)3 .Which salt CaF2 - or - CrF3 precipitates first? The Ksp for CaF2 = 5.3x10^-9 & Ksp for CrF3 = 6.6x10^-11

  How many grams of o2 are needed to burn

How many grams of CO2 are produced by the complete combustion of 2.00g of C8H18?

  What is the value of rate constant

A certain first order reaction has a rate constant of 0.0215 s-1 at 24 degrees C. What is the value of rate constant at 70 degrees C if Ea=90.0 kJ/mol.

  Explain how many photons does the laser emit

The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz

  Identify the limiting reagent

The equation for the complete combustion of ethene (C2H4) is C2H4(g) + 3 O2(g) ==> 2CO2(g) + 2H2O(g) If 2.70 mol C2H4 is reacted with 6.30 mole O2,

  Compute the volume of liquid h2o formed if the reaction

Consider the combustion reaction between 26.0 mL of liquid methanol (density=0.850g/mL) and 13.0 L of oxygen gas measured at STP. The products of the reaction are CO2(g) and H2O(g),

  What is the molarity of the sodiam carbonate

if 6.73 g of Na2CO3 is dissolved in enough water to make 250 ml of solution, what is the molarity of the sodiam carbonate?

  Define in detail why these bacteria don''t begin to excrete

Explain in detail why these bacteria don't begin to excrete this metabolite before using up the phenylalanine in the medium.

  Define brass is a copper and zinc alloy

Brass is a copper and zinc alloy containing 31.8% zinc by mass and having a density of 8.73 {\rm \frac{g}{cm^3}}. A fitting composed of common brass has a total volume of 335.6 {\rm cm^3}

  State a chemical reaction releases

A chemical reaction releases 58,500 J of heat into 150 g of water. Assuming no heat is lost to the surroundings

  Multiple choice questions - dalton atomic theory

What are the protons and neutrons that are emitted from a helium atom called? Atomic mass is expressed in atm.

  What is the molarity of the solution

If 13.5g of (NH_4)_2SO_4 is dissolved in enough water to form 230mL of solution, what is the molarity of the solution.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd