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Firdavs [7]
3 years ago
8

Using stoichiometry, determine the mass of powdered drink mix needed to make 1.0 M solution of 100 mL

Chemistry
1 answer:
Rzqust [24]3 years ago
6 0

Answer:

34.23 g.

M = (no. of moles of solute)/(V of the solution (L)).

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SiCl4(l) + H2O(l) → SiO2(s) + HCl(aq)
Sveta_85 [38]
I assume you’re looking for a balanced equation.
SiCl4 + 2H2O = SiO2 + 4HCl
5 0
4 years ago
Write the formulas for the following compounds: (a) rubidium nitrite, (b) potassium sulfide, (c) sodium hydrogen sulfide, (d) ma
choli [55]

Answer:

All are having different valent cation and anion like mono,di and trivalent polyatomic ions .

A. RbNO3

B. K2S

C. NaHS

D. Mg3(PO4)2 formed by divalent Mg+2 and trivalent PO43-

E. CaHPO4

F. PbCO3 , lead is in Pb+2 form

G. SnF2

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6 0
3 years ago
Calculate for the following electrochemical cell at 25°C, Pt H2(g) (1.0 atm) H (0.010 M || Ag (0.020 M) Ag if E (H) - +0.000 V a
viva [34]

Answer : The correct option is, (b) +0.799 V

Solution :

The values of standard reduction electrode potential of the cell are:

E^0_{[H^{+}/H_2]}=+0.00V

E^0_{[Ag^{+}/Ag]}=+0.799V

From the cell representation we conclude that, the hydrogen (H) undergoes oxidation by loss of electrons and thus act as anode. Silver (Ag) undergoes reduction by gain of electrons and thus act as cathode.

The half reaction will be:

Reaction at anode (oxidation) : H_2\rightarrow 2H^{+}+2e^-    

Reaction at cathode (reduction) : Ag^{+}+1e^-\rightarrow Ag    

The balanced cell reaction will be,  

H_2+2Ag^{+}\rightarrow 2H^{+}+2Ag

Now we have to calculate the standard electrode potential of the cell.

E^o_{cell}=E^o_{cathode}-E^o_{anode}

E^o_{cell}=E^o_{[Ag^{+}/Ag]}-E^o_{[H^{+}/H_2]}

E^o_{cell}=(+0.799V)-(+0.00V)=+0.799V

Therefore, the standard cell potential will be +0.799 V

4 0
3 years ago
What is the boiling point of 5 ml of alcohol
NeTakaya
173.1f is the answer I believe, please let me know if I'm wrong then I would try to make up for it
4 0
3 years ago
How many significant figures does 602.060 have. what is its precision
ryzh [129]

That number has 6 significant numbers. It's precision would be 602.

Hope it helped.  

4 0
3 years ago
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