What is the percent by mass of carbon in the compound

Assignment Help Chemistry
Reference no: EM13168597

A 53.6 gram sample of an unknown substance contains 11.5 grams of carbon. What is the percent by mass of carbon in the compound?

Reference no: EM13168597

Questions Cloud

How many joules of energy are needed to warm : the specific heat of silver is 0.24 J/g degree celsius. how many joules of energy are needed to warm 4.37 g of silver from 25 degree celsius to 27.5 degree celsius?
Calculates the cutoff frequency in a simple rc circuit : Write a simple Java application which calculates the cutoff frequency in a simple RC circuit
State conjugated diene addition reaction : Conjugated diene addition reaction, a) When HCl is added to 1,3-butadiene either 3-chloro-1-butene or 1-chloro-2-butene forms. Which product is more stable? Explain.
The ace is played when both the king : The Ace is played when both the King and Queen are showing on the table, or when neither the King and Queen are showing on the table.
What is the percent by mass of carbon in the compound : A 53.6 gram sample of an unknown substance contains 11.5 grams of carbon. What is the percent by mass of carbon in the compound?
Write two (2) arm assembly language subroutines : Write two (2) ARM assembly language subroutines, called output_char and read_char
Write a function to evaluate a polynomial : Write a function to evaluate a polynomial at a given real value a. That is define a function eval(P,a) that takes a list (polynomial) P and a given real number a, and computes P(a).
State how scattering intensity might change with time : You have a protein that undergoes conformational change from folded state(F) to unfolded state(U) depending on pH. For each state draw a graph for how scattering intensity might change with time.
Accept two 1-digit numbers (from 0 to 9) from the keyboard : Write an assembly language program that will accept two 1-digit numbers (from 0 to 9) from the keyboard, compare the two numbers, and then print out th enumber of greatest value

Reviews

Write a Review

Chemistry Questions & Answers

  How much heat (in kj) is evolved

How much heat (in kJ) is evolved in converting 1.20 mol of steam at 134.0°C to ice at -55.0°C.

  Finding hardness of the groundwater

Hardness in groundwater is due to the presence of metal ions, primarily Mg2+ and Ca2+. Hardness is generally reported as ppm CaCO3 or mmol/L Ca2+.

  What is the density of a piece of metal

what is the density of a piece of metal if it's mass is 201 g and its volume is 18.9 cm3

  What is the volume of this methane

A bacterial culture isolated from sewage produced 35.0 mL of methane, CH4, at 31°C and 753 mmHg. What is the volume of this methane at standard temperature and pressure (0°C, 760 mmHg)?

  Calculate the grams of disodium phosphate

Calculate the 1)mls of 100mM of NaOH or HCl 2) grams of disodium phosphate 3) and the mls of water required to make a 200mM phosphate buffer at pH 6.85

  When anisole is nitrated with nitric acid or sulfuric acid

When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?

  Calculate the ph

Calculate the pH at the points in the titration of 20.00 mL of 0.318 M NH3 of 0.470 M HCl have been added. For NH3, K_b=1.8*10^-5.

  How many grams of co2 are generated

how many grams of co2 are generated when 98.5 grams of aluminum oxide form, according to the equation al2(co3)3=>al203+3co2

  What are the effects of temperature, molarity

What are the effects of temperature, molarity, surface area, nature of the reactants, and the presence of a catalyst on the reaction rate of Zn(s)+2HCl(aq)-> ZnCl2(aq)+ H2(g)

  How many grams of phthalic acid would be neutralized

How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?

  Calculate the ph during the titration

Calculate the pH during the titration of 20.00 mL of 0.1000 M hydrazine N2H4(aq), with 0.1000 M HCl after 20.25 mL of the acid have been added.   Kb of hydrazine = 1.7 x 10-6

  The percent yield of this reaaction is

The reaction of 2.30g N2 with excess H2 produces 2.00g NH3. The percent yield of this reaaction is?

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