Molarity = moles / V in L
moles = Molarity x V in L
moles = 2.10 x 5.5
moles = 11.55
answer = 11.55 moles
Homework Question 8.02 Homework Unanswered How many moles of KCl would be present in 5.5 L...
Part A How many moles of KCl are present in 34.5 mL of 2.10 M KCI? 13.8 0.138 7.25 0.0725 none of the above Submit Request Answer < Return to Assignment Provide Feedback
How many grams of carbon atoms are present in a sample of C3H8 if there are 8.70 moles of hydrogen atoms in the sample? Enter your answer with the correct number of sig figs.
HQ3.01 Homework - Unanswered How many moles of oxygen atoms are in 9.2E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimale.g.2.585 for 2.5 x 10") Numeric Answer
Question 1 1 pts How many moles of CaCl2 have you delivered to the flask if you add 20.53 mL of 0.511 M CaCl2 from the buret? (Just enter the number not the units. Sig figs are graded.) D Question 2 1 pts
How many moles of Ar gas are in 14.6 L at 6.4 atm and 345 K? (Calculate to one decimal place, regardless of number of sig figs).
How many moles of sodium hypobromite (NaBrO) should be added to
1.00 L of 5.5×10^?2 M hypobromous acid (HBrO) to form a buffer
solution of pH= 9.17? Assume that no volume change occurs when the
NaBrO is added. I posted this question previously but it was
answered incorrectly
How many moles of sodium hypobromite (NaBrO) should be added to 1.00 L of 5.5*10-2 M hypobromous acid (HBrO) to form a buffer solution of pH=9.17? Assume that no volume change occurs...
•How many N atoms would be present in 0.378 moles of N2O? •2. If you have 4.55 x 1016 NO2 molecules, how many moles would you have? •3. How many grams would you need in order to have 0.885 moles of CuCO3? •4. If you have a 15.0 g sample of PF5, how many PF5 molecules would be in your sample? •5. If you have 3.14 x 1019 FeCl2 molecules, how many milligrams would you have? •6. What is the...
How many moles of CaCl2 have you delivered to the flask if you add 20.53 mL of 0.511 M CaCl2 from the buret? (Just enter the number not the units. Sig figs are graded.)
25. How many moles of KCl are contained in each solution? MISSED THIS? Read Section 5.2; Watch KCV 5.2, IWE 5.2 a. 0.556 L of a 2.3 M KCl solution b. 1.8 L of a 0.85 M KCl solution c. 114 mL of a 1.85 M KCl solution
Homework 2 1) How many moles of Na2CO3 are there in 10.0 L of 2.00 M solution? 2) What weight (in grams) of H2SO4 would be needed to make 750,0 mL of 2.00 M solution?