Tema
Q:
\( \mathrm{SnO}_{2} \)
Express your answer with the appropriate units.
\( n=2.93 \times 10^{-2} \mathrm{~mol} \)
Q:
What mass of ocean water in grams contains 44.8 g of NaCl ?
Express your answer in grams to two significant figures.
Q:
How much salt can be obtained from 264 g of seawater?
Express your answer in grams to two significant figures.
Q:
What is the molarity of the solution with respect to NaCl ?
Express your answer using two significant figures.
Q:
1.5 mol of KCl in 2.3 L of solution
Express yoitr answer using two significant figures.
Q:
1)etermine la estructura de levés de
1. \( C_{10} \mathrm{H}_{22} \quad x 4 \) decímat \( C_{\mathrm{L}} \)
2. \( \mathrm{C}_{6} \mathrm{H}_{14} \)
3. \( \mathrm{C}_{3} \mathrm{H}_{4} \)
Q:
0.235 mol of \( \mathrm{KNO}_{3} \) in 0.835 L of solution
Express your answer using three significant figures.
Q:
Determine la estructura de levíl de
1. \( \mathrm{C}_{10} \mathrm{H}_{22} \quad \times \) Cdecimat Cl
2. \( \mathrm{C}_{6} \mathrm{H}_{14} \)
3. \( \mathrm{C}_{3} \mathrm{H}_{4} \)
Q:
0.152 mol of sucrose in 650 mL of solution
Express your answer using three significant figures.
Q:
What is the molarity of the diluted solution?
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