arwasoliman363
28.01.2021 •
Chemistry
How many moles are in 20g of potassium (K)?
Solved
Show answers
More tips
- W Work and Career Secrets of a Super Supervisor: Proper Team Management...
- P Photography and Videography Understanding HDR: How It Works and Why You Need It...
- G Goods and services Which TV is better - LCD or Plasma?...
- S Sport How to Learn to Pull Up on Monkey Bars?...
- L Leisure and Entertainment Scrapbooking: What is it and Why is it Becoming More Popular?...
- C Computers and Internet Where did torrents.ru move to?...
- B Business and Finance Understanding Cash Flow: What It Is and How It Works...
- C Computers and Internet What Are Peers and Seeds in Torrenting?...
- H Health and Medicine 10 Simple Techniques on How to Boost Your Mood...
- G Goods and services How to Choose the Right High Chair for Your Baby?...
Answers on questions: Chemistry
- C Chemistry 3. Balance the following reactions.i)Mg +HCI →MgCl2 +H2ii)Mg(OH)2 +_HCI →MgCl2 +H20AgNO3 +K3PO4 →Ag3PO4 +KNO3iv)H2SO4 +Pb(OH)4 →Pb(SO4)2 +H2Ov)Ca (OH)2 +H3PO4 →Ca3(PO4)2 +H20...
- C Chemistry Fill in the Blanks : 1) Number of Proton + Number of Neutron is the of an element. 2) A-Z indicates the number of in the nucleus of an atom. 3) Z = number of protons in the...
- C Chemistry How does the genetic material a cell affect the traits of cells and organisms?...
- C Chemistry The relation between molarity and normality is expresses as: a) M = N x g.e.w/g.m.w b) M = N x g.m.w/ g.e.w c) M = N x no. of equiv./mole d) M = N x no. of g.m.w/mole...
- C Chemistry What is your experience about water pollution...
- C Chemistry PLEASE HELP A reaction cannot be spontaneous if a. ∆H is positive and ∆S is negative. b. ∆H is negative and ∆S is negative. c. ∆H is positive and ∆S is positive. d. ∆H is negative...
- C Chemistry How many protons are in an oxygen atom....
- C Chemistry The diagram shows the different models of the atom that eventually led to the modern atomic theory. Which model was proposed as a result of Rutherford s scattering experiment...
- C Chemistry Wvs-ggqa-uue come here to make some se.x...
- C Chemistry 1 Which of the following statements is incorrect?АThe addition of water to quicklime is anexample of a physical change.BA chemical change is irreversible and a newsubstance...
Ответ:
Explanation:
Hi for this one u just need to remember and use the equation.
then u find mr of potassium which is 39.1.
then u do
you get the answer as 0.5115 write ur answer to 3 significant figures which will be 0.512 moles .
hope this helps :)
Ответ:
reproduction, heredity, variation in fitness or organisms.
Explanation: