- How would you prepare 4.00 L of 0.750 M NaHCO3 using solid NaHCO3 and distilled water?

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White light is directed at difraction grating at angle normal to gratting.starting at norml to grating 0dgre the odr of red,gren,blue wil be? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution? =B y I y is an integer and ≤−4 Could someone help me with these math problems? I can't figure them out. Solve the linear equation;
x+2y=15
y=-2x+0 9x-12y=-3
-12x+16y=4? Describe how and where new crust material is made. Describe how and where old crust is destroyed.?