1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
valina [46]
3 years ago
7

0.509g sample pure platinumetal was reacted with HCl to firm O.889g of platinum and chlorine. what is the percent by mass of pla

tinum
Chemistry
1 answer:
stepan [7]3 years ago
6 0
Platinum plus chlorine equals 0.889 grams whereas the platinum alone is 0.509grams so 0.509/0.889grams = 57%  of the mass of the platinum plus chlorine. The chlorine would be 0.889-0.509=0.38 grams. The chlorine would make up about 42.7% of the total mass in grams.
You might be interested in
Gravity is best described as the attractive force___
Delvig [45]

Gravity is nest described as the attractive force that acts between any two objects on earth

Explanation:-

  • Gravity was found by Sir Eizak Newton
  • It has formula given by

\\ \rm\Rrightarrow F=G\dfrac{Mm}{r^2}

8 0
3 years ago
Read 2 more answers
Pls answer this I will mark u as the brainliest...what is the formula of sodiam carbonate ​
kodGreya [7K]

Explanation:

Sodium Carbonate = Na2CO3

Hope it helps ya

8 0
3 years ago
Read 2 more answers
I need help..would it be A???
Dovator [93]

Answer:

probably

Explanation:

Because fossil fuel is the main fuel source, so any fuels that are not fossil fuels are alternative.

7 0
3 years ago
Pls help me before my mother takes away my phone
kifflom [539]

Answer:

sorry man i cant help you i tried my best im so so so sorry

Explanation:

4 0
3 years ago
1. Fill in the best answer for each of the following: a) ________________________ is the capacity to do work or to supply heat.
user100 [1]

Answer:

A. Energy

B. Chemical potential

C. Endothermic reaction

D.The law of conservation of mass

E. Transfers of energy

5 0
3 years ago
Other questions:
  • The graphic shows two isomers of a chemical compound with molecular formula C5H11NO2. Which type of isomers are these? A. struct
    9·2 answers
  • Consider this reaction mechanism: Step 1: Mo(CO)6→ Mo(CO)5 + CO Step 2: Mo(CO)5 + P(CH3)3→ Mo(CO)5P(CH3)3 Which of these is an i
    7·1 answer
  • PLEASe help. How many ions? With picture.
    9·1 answer
  • How much heat, in kJ, is required to melt 54.0 g of ice at 0°C into water at 0°C if Hfus for water = 6.01?
    5·2 answers
  • You need 270 ml of a 65% alcohol solution. on hand, you have a 90% alcohol mixture. how much of the 90% alcohol mixture and pure
    10·1 answer
  • Give the chemical formula that corresponds to each of the following compounds: (a) Sodium tetrahydroxozincate(II) (b) Dichlorobi
    12·1 answer
  • City A is located along the shore of an ocean. City B is at the same latitude and altitude, but it is located
    5·1 answer
  • Describe how nucleic acid basis pair up
    5·1 answer
  • Which is greater 50 degree celcius or 50 degree fahrenheit?with solution plz.....​
    11·1 answer
  • What is the name of the compound (NH4)2SO4
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!