could you help me with all the questions please ? QUESTION 1How many grams are in 2.08 moles of Zinc ? Report your answer to correct number of Sig.Fig.Atomic mass of Zn= 65.4O A. 136 gO B. 0.0318 gOC 65.4 gOD.6.022 x 10 23 9OE. 136.0gQUESTION 2Determine ,respectively the (OH] concentration and PH in a 0.235 M NaOH solution.Hint: NaOH is strong BaseOA [OH] =0.235: PH 0.620OB.[OH] -13.37: PH= 0.235OC(OH) - 0.235; PH#13.37OD[OH] -0.470, PH 13.37OE [OH] - 0.235: PH 12.37 QUESTION 3If "A" contains 8.0 % KCI and is separated by a semipermeable membrane from "B" which contains 16 % KCI, which event will occur?O A KCI will flow from "A" to "B".O B. KCl will flow from "B" to "A".OC. Water will flow from "B" to "A".OD. Water will flow from "A" to "B".O E. None of the aboveQUESTION 4Calculate the amount of heat( in kilojoules) requiresd to raise the temperature of 82 grams of Gold(S.H =0.29 joules /g.C) from 20.0 °C to 90.0 °C? report your answer to 2 SFHeat = mass XS.H X ATOA 1.7x 105 KIOB. 1.7x 10 KIOC16KOD.1.7 KOE 16 x103 K

Here multiple question are given.

QUESTION 1 How many grams are in 2.08 moles of Zinc ? Report your answer to correct number of Sig.Fig. Atomic mass of Zn= 65.4 O A. 136 g O B. 0.0318 g OC 65.4 g OD.6.022 x 10 23 9 OE. 136.0g QUESTION 2 Determine ,respectively the (OH] concentration and PH in a 0.235 M NaOH solution. Hint: NaOH is strong Base

QUESTION 1 How many grams are in 2.08 moles of Zinc ? Report your answer to correct number of Sig.Fig. Atomic mass of Zn= 65.4 O A. 136 g O B. 0.0318 g OC 65.4 g OD.6.022 x 10 23 9 OE. 136.0g QUESTION 2 Determine ,respectively the (OH] concentration and PH in a 0.235 M NaOH solution. Hint: NaOH is strong Base

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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