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Calculate the energy needed to produce 10 moles of Cl2O7 using this balanced equation.
2Cl +70+ 100kCal==2ClO7 please explain
1 answer
asked by
lulu
677 views
Calculate the volume of 2.45 M NaI that would be needed to precipitate all of the Hg+2 ion from 185 mL of a 2.44 M Hg(NO3)2.
AND
0 answers
asked by
Marsha
560 views
Can someone please check my work?
Calculate the mass of (NH4)2S2O8 needed to prepare 250mL of a 0.100M solution. I got 5.705 g.
1 answer
asked by
Rachel
2,317 views
Tris is an abbreviation for tris (hydroxymethyl) aminomethane, which is a weak base. Calculate how many grams of tris
3 answers
asked by
Cassandra
1,313 views
a) Calculate how many cm3 of 1.00 moldm-3 HCL are needed to decrease the pH of 1.00 dm3 of HCL by one unit. Ignore the small
2 answers
asked by
Aaliyah
729 views
Calculate the mass of NaOH needed to prepare 100ml of 0.20molar solution.
B. Calculate the mass of solid KHP needed to react
1 answer
asked by
Abraham
1,648 views
a student needed 1000 ml of a 0.10 buffer of ph 4.0. calculate the amount of sodium acetate and acidic acid needed for this
1 answer
asked by
bay
606 views
for each quantity, decide whether circumference or area would be needed to calculate it. Explain or show your reasoning
the
1 answer
55 views
Is there a formula to calculate the dimensions of the arcs on a flat piece of paper needed to form a parabolic dish?
Say I was
2 answers
asked by
Anonymous
529 views
A titration is performed by adding .600 M KOH to 40.0 mL of .800 M HCl.
Calculate the pH before addition of any KOH. Calculate
1 answer
asked by
Summer
1,565 views