Explain what is the average mass of calcium in each sample

Assignment Help Chemistry
Reference no: EM13283617

Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085) , had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.)

Reference no: EM13283617

Questions Cloud

Find a transformation matrix a for the vector : A zero mean gaussian random vector X=(X1, X2)T has a covariance matrix given by K=[ 3 -1 -1 3 ] Find a transformation matrix A so that the vector Y=AX is a gaussian random vector with uncorrelated (and therefore independent) components of unity va..
At what speed does a transverse wave move along the cable : A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. At what speed does a transverse wave move along the cable
Identify the benefits of digital projection : What is at stake with the ongoing move toward digital forms of exhibition? Identify the benefits of digital projection for both theaters and studios, and explain why the rollout of d-cinema in the United States has taken so long, despite early optimi..
How much energy might you lose in one week : In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, How much energy might you lose in one week
Explain what is the average mass of calcium in each sample : Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085), had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample
What is the remaining maturity of these bonds : A company issued a 9% annual coupon bonds that are now selling at a yield to maturity of 10% and current yield of 9.8375%. what is the remaining maturity of these bonds?
Find the type number of the system and steady state errors : The forward transmittances of unity feedback tracking systemsare given below. For each, find the type number of the system, the steady state error coefficients k0,k1, and k2 and the steady state errors to unit step ramp, and parabolic inputs.
Digital revolution actually-viability of shooting film : In what sense has the digital revolution actually preserved the viability of shooting films on films? How have filmmakers managed to integrate the options provided by digital video with a technological apparatus that dates back more than a century?
What is the difference in temperatures : A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. What is the difference in temperature between the inner and outer sufaces of the aluminum bottom of the pot

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the molar mass of nacl

If there are 0.640 g of NaCl left in a beaker that originally contained 75.0 mL of saltwater, what must have been the molar concentration of the original solution? The molar mass of NaCl is 58.44 g/mol.

  State a melting point determination and find a melting point

In a synthesis experiment you obtain a sample of product on which you do a melting point determination and find a melting point range of 108.0 to 114.3 degrees Celsius. The sample is supposed to be benzoic acid.

  Describe calcium hydroxide react completely

with what volume of 5.0M HF will 7.4 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH)2 --> CaF2 + 2H2O

  Explain the x compound decolors in bromine

The X compound decolors in Bromine, bubbles in Na metal, changes from orange to green in Chromic Acid, and has no reaction with Lucas reagents.

  Calculate heat (in kj) associated with complete reaction

Ammonia reacts with oxygen according tot he following equation: 4NH3+5O2=4NO+6H2O deltaHrxn = -906kJ Calculate the heat (in kJ) associated with the complete reaction of 155g of NH3.

  Explain chlorobutane and what is the percent yield

If 28.9 grams of trans-2-butene reacts with 14.2 grams of HCl to form 15.5 grams of chlorobutane, what is the percent yield?

  Calculate the molar solubility of agi

Calculate the molar solubility of AgI in 3.6 M NH3. The overall formation constant for Ag(NH3)2+ is 1.7 x 10^7.

  What is the density of a substance at room temperature

What is the density of a substance if a 2.50mL sample has a mass of 0.880g at room temperature? ( show calculations) What is the specific gravity of the substance?

  Explain how many grams of nacl can be produced

How many grams of NaCl can be produced from the reaction of 1.35g of Na2CO3 with 125mL of 0.265M HCl according to the following reaction

  What is the heat of reaction per mole of zn

a coffee cup calorimeter containing 100ml of 0.30M HCl at 20.3degrees celcius. when 1.82g of Zn solid is added, the temperature rises to 30.5 degrees celcius. what is the heat of reaction per mole of Zn.

  How much energy would released

The combustion of 45.0 g of methane (natural gas) releases 2498 kJ of heat energy. How much energy in kilocalories kcal would combustion of 0.670oz of methane release.

  Presume that the maximum number of atp''s is produced

Assume that the maximum number of ATP's is produced (38). At pH 7, and in the presence of excess Mg2+

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