# work sheet 4

```‫`المملكة العربية السعودية‬
Kingdom of Saudi Arabia
‫وزارة التعليم العالي‬
Ministry of Higher
‫جامعة المجمعة‬
Education
‫عمادة السنة التحضيرية‬
Majma'a University
Preparatory Year Deanship
Work sheet (4)
1) Write the net ionic equation for the following reaction:
AgNO3 (aq) + NaCl(aq) → NaNO3(aq) + AgCl(s)
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K2CO3(aq) + CaI2(aq) → 2KI(aq) + CaCO3(s)
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CuCl2 (aq) + NaOH(aq) → Cu(OH)2 (S) + NaCl(aq)
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2) What is The molar mass of the following:
1- CH2Cl2
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2- NH4Cl
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3- Na2CO3
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3) Calculate the molarity of solution prepared by 5.00g of NaOH in volume
250 ml of solution?
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4) Calculate the number of mole for 32.3ml of 0.625 M CaCl2
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5) A solution of 5 ml of HCl required 10 ml of 0.12 M NaOH solution for
complete neutralization. What is the molarity of HCl solution?
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6) How many milliliters of water must be added to 150 ml of 3.00M KOH to
give 1.25M solution?
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7) Complete the following equation :
1- NH3 + H2O
2- HCLO4 + Ca(OH)2
3- HCl + NaOH
4- H2SO4 + KOH
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