Nicole16111 Nicole16111

03-05-2018
Chemistry

contestada

calculate the mass of potassium sulfate needed to produce 115ml of a 1.34M solution
(molarity problem)

Respuesta :

lironica lironica

03-05-2018

potassium sulphate = K2SO4

molecular weight = 40*2 +32 +4*16 = 176

Molarity = moles of solute / volume in L
1.34 = x/176 *1000/ 115

x = 1.34*176*115/1000

x=27.1216g

Answer Link

Otras preguntas

The top of an aquifer is an____ layer, the bottom of the aquifer is an____ A. Rechargeable/ nonreachargeable B. Permeable/ impermeable C. Impermeable/ permeab

Figure ABC is to be translated to Figure A'B'C' using the rule (x, y) → (x−3, y+4). Triangle ABC on the coordinate plane with the ordered pairs for A as 1,1, B

3.6m by 1.8 m wall How many 6 cm by 6 cm pictures could fit on the wall?

Upon beginning her career at davidson inc., a small consulting firm, stephanie benjamin receives a copy of the firm's organization chart, which will a. demonstr

WHOEVER HELPS FIRST GETS BRAINLIEST. IM BEING TIMED!!!

Your friends are worried because their newborn sleeps 16 or 17 hours a day. what would you tell them?

Find an equation of the line that satisfies the given conditions. through (−1, −3); perpendicular to the line 2x + 7y + 2 = 0

The two figures are similar. What is the value of the marked angle? A. 108 B. 72 C. 90 D. 162

Help me please...!!!

List at least three features shared by the various popular diet plans discussed in this section