Chemistry, 12.02.2021 02:30 scott5315

How many, moles of HNO3 are required to form 0.045 mol of Br2 according to the equation below? KBrO3(aq) + 5 KBr(aq) + 6 HNO3(aq) → 6 KNO3(aq) + 3 Br2() + 3 H2O(1)
O 0.090
O 0.075
O 0.030
O 0.015
Need help due in 2 hours

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 04:00

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Answers: 2

Answer

Chemistry, 22.06.2019 14:20

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Answers: 1

Answer

Chemistry, 22.06.2019 18:00

Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.

Answers: 3

Answer

Chemistry, 22.06.2019 22:30

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.

Answers: 1

Answer

You know the right answer?

How many, moles of HNO3 are required to form 0.045 mol of Br2 according to the equation below? KBrO...

Questions